564023256 has 64 divisors (see below), whose sum is σ = 1429524480. Its totient is φ = 185431680.

The previous prime is 564023231. The next prime is 564023261. The reversal of 564023256 is 652320465.

It is a super-3 number, since 3×564023256³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642690 + ... + 643566.

It is an arithmetic number, because the mean of its divisors is an integer number (22336320).

Almost surely, 2^564023256 is an apocalyptic number.

It is an amenable number.

564023256 is an abundant number, since it is smaller than the sum of its proper divisors (865501224).

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

564023256 is a wasteful number, since it uses less digits than its factorization.

564023256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 564023256 is about 23749.1737961555. The cubic root of 564023256 is about 826.2262784709.

The spelling of 564023256 in words is "five hundred sixty-four million, twenty-three thousand, two hundred fifty-six".