264806636 has 12 divisors (see below), whose sum is σ = 483560112. Its totient is φ = 126646608.

The previous prime is 264806621. The next prime is 264806639. The reversal of 264806636 is 636608462.

264806636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 264806593 and 264806602.

It is not an unprimeable number, because it can be changed into a prime (264806639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439075 + ... + 1439258.

It is an arithmetic number, because the mean of its divisors is an integer number (40296676).

Almost surely, 2^264806636 is an apocalyptic number.

It is an amenable number.

264806636 is a deficient number, since it is larger than the sum of its proper divisors (218753476).

264806636 is a wasteful number, since it uses less digits than its factorization.

264806636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878360 (or 2878358 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 264806636 is about 16272.8803842467. The cubic root of 264806636 is about 642.1595634739.

The spelling of 264806636 in words is "two hundred sixty-four million, eight hundred six thousand, six hundred thirty-six".