564888268 has 18 divisors (see below), whose sum is σ = 1149951516. Its totient is φ = 242094888.

The previous prime is 564888239. The next prime is 564888281. The reversal of 564888268 is 862888465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1440846 + ... + 1441237.

Almost surely, 2^564888268 is an apocalyptic number.

It is an amenable number.

564888268 is an abundant number, since it is smaller than the sum of its proper divisors (585063248).

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

564888268 is a wasteful number, since it uses less digits than its factorization.

564888268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882101 (or 2882092 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 55.

The square root of 564888268 is about 23767.3782315172. The cubic root of 564888268 is about 826.6484422650.

The spelling of 564888268 in words is "five hundred sixty-four million, eight hundred eighty-eight thousand, two hundred sixty-eight".