40504564 has 24 divisors (see below), whose sum is σ = 74914560. Its totient is φ = 19123104.

The previous prime is 40504559. The next prime is 40504567. The reversal of 40504564 is 46540504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504567) 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, 4482 + ... + 10054.

It is an arithmetic number, because the mean of its divisors is an integer number (3121440).

Almost surely, 2^40504564 is an apocalyptic number.

It is an amenable number.

40504564 is a deficient number, since it is larger than the sum of its proper divisors (34409996).

40504564 is a wasteful number, since it uses less digits than its factorization.

40504564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679 (or 5677 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40504564 is about 6364.3196022827. The cubic root of 40504564 is about 343.4271722217.

The spelling of 40504564 in words is "forty million, five hundred four thousand, five hundred sixty-four".