40557204 has 36 divisors (see below), whose sum is σ = 103221300. Its totient is φ = 13426560.

The previous prime is 40557197. The next prime is 40557221. The reversal of 40557204 is 40275504.

40557204 is a `hidden beast` number, since 405 + 57 + 204 = 666.

40557204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7033104 + 33524100 = 2652^2 + 5790^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584 + ... + 9144.

Almost surely, 2^40557204 is an apocalyptic number.

It is an amenable number.

40557204 is an abundant number, since it is smaller than the sum of its proper divisors (62664096).

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

40557204 is a wasteful number, since it uses less digits than its factorization.

40557204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720 (or 7715 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40557204 is about 6368.4538154877. The cubic root of 40557204 is about 343.5758812294.

The spelling of 40557204 in words is "forty million, five hundred fifty-seven thousand, two hundred four".