249562664 has 16 divisors (see below), whose sum is σ = 503924820. Its totient is φ = 115182720.

The previous prime is 249562639. The next prime is 249562681. The reversal of 249562664 is 466265942.

It can be written as a sum of positive squares in 2 ways, for example, as 241553764 + 8008900 = 15542^2 + 2830^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 1199717 + ... + 1199924.

Almost surely, 2^249562664 is an apocalyptic number.

It is an amenable number.

249562664 is an abundant number, since it is smaller than the sum of its proper divisors (254362156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249562664 is a wasteful number, since it uses less digits than its factorization.

249562664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399660 (or 2399656 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 249562664 is about 15797.5524686579. The cubic root of 249562664 is about 629.5929713166.

The spelling of 249562664 in words is "two hundred forty-nine million, five hundred sixty-two thousand, six hundred sixty-four".