252663400 has 48 divisors (see below), whose sum is σ = 640851840. Its totient is φ = 91876800.

The previous prime is 252663379. The next prime is 252663413. The reversal of 252663400 is 4366252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55224 + ... + 59623.

It is an arithmetic number, because the mean of its divisors is an integer number (13351080).

Almost surely, 2^252663400 is an apocalyptic number.

252663400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252663400 is an abundant number, since it is smaller than the sum of its proper divisors (388188440).

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

252663400 is a wasteful number, since it uses less digits than its factorization.

252663400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114874 (or 114865 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 252663400 is about 15895.3892685898. The cubic root of 252663400 is about 632.1897430071.

The spelling of 252663400 in words is "two hundred fifty-two million, six hundred sixty-three thousand, four hundred".