What is 40 (number)?
{{Infobox number}} '''40''' ('''forty''') is the number that is after '''[[thirty-nine]]''' and before '''[[forty-one]]'''. The prime factors of forty are 2 and 5. (2 * 2 * 2 * 5 = 40) Forty is also the only number in the English language which is spelt in alphabetical order. ==The Bible== In the [[Jew|Judeo]]-[[Christian]] Bible, the number forty has special meaning. The Jews wandered in a desert for forty years, there was a forty-day and forty-night rainstorm, and other instances. ==Factors of 40== The factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40. {{Math-stub}} [[Category:Integers]]