264264564 has 12 divisors (see below), whose sum is σ = 616617344. Its totient is φ = 88088184.

The previous prime is 264264523. The next prime is 264264577. The reversal of 264264564 is 465462462.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×264264564² = 139671519572220192, which contains 22 as substring.

It is a congruent number.

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, 11011012 + ... + 11011035.

Almost surely, 2^264264564 is an apocalyptic number.

It is an amenable number.

264264564 is an abundant number, since it is smaller than the sum of its proper divisors (352352780).

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

264264564 is a wasteful number, since it uses less digits than its factorization.

264264564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022054 (or 22022052 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The square root of 264264564 is about 16256.2161649014. The cubic root of 264264564 is about 641.7210869082.

It can be divided in two parts, 264 and 264564, that multiplied together give a palindrome (69844896).

The spelling of 264264564 in words is "two hundred sixty-four million, two hundred sixty-four thousand, five hundred sixty-four".