264630650 has 12 divisors (see below), whose sum is σ = 492213102. Its totient is φ = 105852240.

The previous prime is 264630631. The next prime is 264630659. The reversal of 264630650 is 56036462.

It can be written as a sum of positive squares in 3 ways, for example, as 135512881 + 129117769 = 11641^2 + 11363^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264630659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2646257 + ... + 2646356.

Almost surely, 2^264630650 is an apocalyptic number.

264630650 is a deficient number, since it is larger than the sum of its proper divisors (227582452).

264630650 is a wasteful number, since it uses less digits than its factorization.

264630650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292625 (or 5292620 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 264630650 is about 16267.4721453580. The cubic root of 264630650 is about 642.0172758297.

The spelling of 264630650 in words is "two hundred sixty-four million, six hundred thirty thousand, six hundred fifty".