264322564 has 27 divisors (see below), whose sum is σ = 509127591. Its totient is φ = 119984040.

The previous prime is 264322543. The next prime is 264322589. The reversal of 264322564 is 465223462.

The square root of 264322564 is 16258.

It is a perfect power (a square), and thus also a powerful number.

264322564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 357307 + ... + 358045.

Almost surely, 2^264322564 is an apocalyptic number.

264322564 is the 16258-th square number.

It is an amenable number.

264322564 is a deficient number, since it is larger than the sum of its proper divisors (244805027).

264322564 is an equidigital number, since it uses as much as digits as its factorization.

264322564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 752 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The cubic root of 264322564 is about 641.7680311521.

The spelling of 264322564 in words is "two hundred sixty-four million, three hundred twenty-two thousand, five hundred sixty-four".