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  1. 40 (number) - Wikipedia

    The number 40 is found in many traditions without any universal explanation for its use. In Jewish, Christian, Islamic, and other Middle Eastern traditions it is taken to represent a large, …

  2. 11 Facts About the Number 40 You Never Knew - Reader's Digest

    Jun 20, 2025 · We combed through popular culture, literature and history for the most fascinating facts about 40, so you could decide for yourself. Read on, and get ready to have a new …

  3. Number 40 - Curious Math Facts and Interesting Properties

    Explore the curious properties of number 40, an even composite number composed of two distinct primes. Includes mathematical info, prime factorization, divisors, bases and much more!

  4. Forty or Fourty: How do you spell 40? | Merriam-Webster

    The number 40 is spelled forty despite the fact that four contains a u. Even though it is often misspelled fourty, the only widely accepted spelling of the number is forty.

  5. About The Number 40 - Numeraly

    Discover the fascinating world of the number 40! Explore its meanings, facts, significance in math, science, religion, folklore, angel numbers, arts, and more.

  6. Number 40 facts

    WD-40 is the trademark of a widely used penetrating oil spray. It was developed in 1953 by the chimist, Norm Larsen to eliminate water and prevent corrosion on electrical circuitry.

  7. Forty - Definition, Meaning & Synonyms | Vocabulary.com

    Whether you call it 40 or XL, you're talking about forty: the number between thirty-nine and forty-one.

  8. How to Spell Out “40”: “Forty” or “Fourty”? | Grammarly

    Jun 21, 2023 · Nowadays, forty is the accepted spelling and fourty is considered a mistake. Forty (40) is the number that follows 39 and precedes 41. Though it’s related to the number four (4), …

  9. 40 - Wikipedia

    40 or forty may also refer to:

  10. FORTY Definition & Meaning - Merriam-Webster

    The meaning of FORTY is a number equal to four times 10. How to use forty in a sentence. The Spelling of Forty: Usage Guide.