40318874 has 16 divisors (see below), whose sum is σ = 65858400. Its totient is φ = 18439344.

The previous prime is 40318847. The next prime is 40318877. The reversal of 40318874 is 47881304.

It is a happy number.

It is a super-2 number, since 2×40318874² = 3251223201255752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40318877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17192 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (4116150).

Almost surely, 2^40318874 is an apocalyptic number.

40318874 is a deficient number, since it is larger than the sum of its proper divisors (25539526).

40318874 is a wasteful number, since it uses less digits than its factorization.

40318874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36637.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 40318874 is about 6349.7144817700. The cubic root of 40318874 is about 342.9015632096.

The spelling of 40318874 in words is "forty million, three hundred eighteen thousand, eight hundred seventy-four".