252564448 has 24 divisors (see below), whose sum is σ = 499480128. Its totient is φ = 125712384.

The previous prime is 252564439. The next prime is 252564497. The reversal of 252564448 is 844465252.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 252564448.

It is a congruent number.

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, 10561 + ... + 24832.

It is an arithmetic number, because the mean of its divisors is an integer number (20811672).

Almost surely, 2^252564448 is an apocalyptic number.

It is an amenable number.

252564448 is a deficient number, since it is larger than the sum of its proper divisors (246915680).

252564448 is a wasteful number, since it uses less digits than its factorization.

252564448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35626 (or 35618 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The square root of 252564448 is about 15892.2763630639. The cubic root of 252564448 is about 632.1072028797.

The spelling of 252564448 in words is "two hundred fifty-two million, five hundred sixty-four thousand, four hundred forty-eight".