564904540 has 12 divisors (see below), whose sum is σ = 1186299576. Its totient is φ = 225961808.

The previous prime is 564904531. The next prime is 564904553. The reversal of 564904540 is 45409465.

It is a super-2 number, since 2×564904540² = 638234278625223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 564904540.

It is a congruent number.

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, 14122594 + ... + 14122633.

It is an arithmetic number, because the mean of its divisors is an integer number (98858298).

Almost surely, 2^564904540 is an apocalyptic number.

It is an amenable number.

564904540 is an abundant number, since it is smaller than the sum of its proper divisors (621395036).

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

564904540 is a wasteful number, since it uses less digits than its factorization.

564904540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28245236 (or 28245234 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 564904540 is about 23767.7205469940. The cubic root of 564904540 is about 826.6563795835.

The spelling of 564904540 in words is "five hundred sixty-four million, nine hundred four thousand, five hundred forty".