564939264 has 80 divisors (see below), whose sum is σ = 1513483488. Its totient is φ = 187256832.

The previous prime is 564939233. The next prime is 564939281. The reversal of 564939264 is 462939465.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301659 + ... + 303525.

Almost surely, 2^564939264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564939264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756741744).

564939264 is an abundant number, since it is smaller than the sum of its proper divisors (948544224).

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

564939264 is a wasteful number, since it uses less digits than its factorization.

564939264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2069 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 564939264 is about 23768.4510223111. The cubic root of 564939264 is about 826.6733170930.

The spelling of 564939264 in words is "five hundred sixty-four million, nine hundred thirty-nine thousand, two hundred sixty-four".