264545636 has 12 divisors (see below), whose sum is σ = 490187628. Its totient is φ = 124492032.

The previous prime is 264545581. The next prime is 264545663. The reversal of 264545636 is 636545462.

It is a happy number.

264545636 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125305636 + 139240000 = 11194^2 + 11800^2 .

264545636 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 264545593 and 264545602.

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, 1945121 + ... + 1945256.

It is an arithmetic number, because the mean of its divisors is an integer number (40848969).

Almost surely, 2^264545636 is an apocalyptic number.

It is an amenable number.

264545636 is a deficient number, since it is larger than the sum of its proper divisors (225641992).

264545636 is a wasteful number, since it uses less digits than its factorization.

264545636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890398 (or 3890396 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 264545636 is about 16264.8589296065. The cubic root of 264545636 is about 641.9485179811.

The spelling of 264545636 in words is "two hundred sixty-four million, five hundred forty-five thousand, six hundred thirty-six".