252664268 has 48 divisors (see below), whose sum is σ = 484009344. Its totient is φ = 114923520.

The previous prime is 252664267. The next prime is 252664297. The reversal of 252664268 is 862466252.

Its product of digits (276480) is a multiple of the sum of its prime divisors (720).

It is not an unprimeable number, because it can be changed into a prime (252664267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586013 + ... + 586443.

It is an arithmetic number, because the mean of its divisors is an integer number (10083528).

Almost surely, 2^252664268 is an apocalyptic number.

It is an amenable number.

252664268 is a deficient number, since it is larger than the sum of its proper divisors (231345076).

252664268 is a wasteful number, since it uses less digits than its factorization.

252664268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 252664268 is about 15895.4165720814. The cubic root of 252664268 is about 632.1904669479.

The spelling of 252664268 in words is "two hundred fifty-two million, six hundred sixty-four thousand, two hundred sixty-eight".