252440888 has 32 divisors (see below), whose sum is σ = 572767200. Its totient is φ = 101824512.

The previous prime is 252440887. The next prime is 252440921. The reversal of 252440888 is 888044252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252440887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131633 + ... + 133536.

It is an arithmetic number, because the mean of its divisors is an integer number (17898975).

Almost surely, 2^252440888 is an apocalyptic number.

252440888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252440888 is an abundant number, since it is smaller than the sum of its proper divisors (320326312).

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

252440888 is a wasteful number, since it uses less digits than its factorization.

252440888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265199 (or 265195 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 252440888 is about 15888.3884645360. The cubic root of 252440888 is about 632.0041058858.

The spelling of 252440888 in words is "two hundred fifty-two million, four hundred forty thousand, eight hundred eighty-eight".