564457328 has 40 divisors (see below), whose sum is σ = 1108262400. Its totient is φ = 278481600.

The previous prime is 564457321. The next prime is 564457337. The reversal of 564457328 is 823754465.

564457328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×564457328² = 637224150265799168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564457321) 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, 402773 + ... + 404171.

It is an arithmetic number, because the mean of its divisors is an integer number (27706560).

Almost surely, 2^564457328 is an apocalyptic number.

It is an amenable number.

564457328 is a deficient number, since it is larger than the sum of its proper divisors (543805072).

564457328 is a wasteful number, since it uses less digits than its factorization.

564457328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1719 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 564457328 is about 23758.3107143585. The cubic root of 564457328 is about 826.4381785567.

The spelling of 564457328 in words is "five hundred sixty-four million, four hundred fifty-seven thousand, three hundred twenty-eight".