252844720 has 20 divisors (see below), whose sum is σ = 587864160. Its totient is φ = 101137856.

The previous prime is 252844693. The next prime is 252844741. The reversal of 252844720 is 27448252.

It is a tau number, because it is divible by the number of its divisors (20).

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, 1580200 + ... + 1580359.

It is an arithmetic number, because the mean of its divisors is an integer number (29393208).

Almost surely, 2^252844720 is an apocalyptic number.

252844720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252844720 is an abundant number, since it is smaller than the sum of its proper divisors (335019440).

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

252844720 is a wasteful number, since it uses less digits than its factorization.

252844720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160572 (or 3160566 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 252844720 is about 15901.0917864152. The cubic root of 252844720 is about 632.3409339257.

The spelling of 252844720 in words is "two hundred fifty-two million, eight hundred forty-four thousand, seven hundred twenty".