564423464 has 16 divisors (see below), whose sum is σ = 1154502720. Its totient is φ = 256556080.

The previous prime is 564423421. The next prime is 564423521. The reversal of 564423464 is 464324465.

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, 3206864 + ... + 3207039.

It is an arithmetic number, because the mean of its divisors is an integer number (72156420).

Almost surely, 2^564423464 is an apocalyptic number.

It is an amenable number.

564423464 is an abundant number, since it is smaller than the sum of its proper divisors (590079256).

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

564423464 is a wasteful number, since it uses less digits than its factorization.

564423464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413920 (or 6413916 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

The square root of 564423464 is about 23757.5980267366. The cubic root of 564423464 is about 826.4216511413.

The spelling of 564423464 in words is "five hundred sixty-four million, four hundred twenty-three thousand, four hundred sixty-four".