40531504 has 20 divisors (see below), whose sum is σ = 84570976. Its totient is φ = 18706752.

The previous prime is 40531489. The next prime is 40531523. The reversal of 40531504 is 40513504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97224 + ... + 97639.

Almost surely, 2^40531504 is an apocalyptic number.

It is an amenable number.

40531504 is an abundant number, since it is smaller than the sum of its proper divisors (44039472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40531504 is a wasteful number, since it uses less digits than its factorization.

40531504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194884 (or 194878 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40531504 is about 6366.4357375222. The cubic root of 40531504 is about 343.5032943232.

The spelling of 40531504 in words is "forty million, five hundred thirty-one thousand, five hundred four".