40552904 has 32 divisors (see below), whose sum is σ = 89899200. Its totient is φ = 16779840.

The previous prime is 40552903. The next prime is 40552927. The reversal of 40552904 is 40925504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (40552903) 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, 10862 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (2809350).

Almost surely, 2^40552904 is an apocalyptic number.

It is an amenable number.

40552904 is an abundant number, since it is smaller than the sum of its proper divisors (49346296).

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

40552904 is a wasteful number, since it uses less digits than its factorization.

40552904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25013 (or 25009 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40552904 is about 6368.1162049699. The cubic root of 40552904 is about 343.5637384750.

The spelling of 40552904 in words is "forty million, five hundred fifty-two thousand, nine hundred four".