264645652 has 24 divisors (see below), whose sum is σ = 475676712. Its totient is φ = 128755200.

The previous prime is 264645649. The next prime is 264645671. The reversal of 264645652 is 256546462.

It can be written as a sum of positive squares in 4 ways, for example, as 39765636 + 224880016 = 6306^2 + 14996^2 .

It is a super-2 number, since 2×264645652² = 140074642245010208, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 67128 + ... + 70960.

It is an arithmetic number, because the mean of its divisors is an integer number (19819863).

Almost surely, 2^264645652 is an apocalyptic number.

It is an amenable number.

264645652 is a deficient number, since it is larger than the sum of its proper divisors (211031060).

264645652 is a wasteful number, since it uses less digits than its factorization.

264645652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299 (or 4297 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 264645652 is about 16267.9332430398. The cubic root of 264645652 is about 642.0294076584.

The spelling of 264645652 in words is "two hundred sixty-four million, six hundred forty-five thousand, six hundred fifty-two".