40861504 has 28 divisors (see below), whose sum is σ = 81345024. Its totient is φ = 20365184.

The previous prime is 40861477. The next prime is 40861507. The reversal of 40861504 is 40516804.

40861504 = T₂₅₇ + T₂₅₈ + ... + T₆₃₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40861507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23679 + ... + 25345.

Almost surely, 2^40861504 is an apocalyptic number.

It is an amenable number.

40861504 is a deficient number, since it is larger than the sum of its proper divisors (40483520).

40861504 is a wasteful number, since it uses less digits than its factorization.

40861504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40861504 is about 6392.3003684120. The cubic root of 40861504 is about 344.4330223830.

Subtracting from 40861504 its product of nonzero digits (3840), we obtain a square (40857664 = 6392²).

The spelling of 40861504 in words is "forty million, eight hundred sixty-one thousand, five hundred four".