252571128700 has 108 divisors (see below), whose sum is σ = 634141973080. Its totient is φ = 87010070400.

The previous prime is 252571128659. The next prime is 252571128731. The reversal of 252571128700 is 7821175252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 319407 + ... + 779206.

Almost surely, 2^252571128700 is an apocalyptic number.

252571128700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252571128700 is an abundant number, since it is smaller than the sum of its proper divisors (381570844380).

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

252571128700 is a wasteful number, since it uses less digits than its factorization.

252571128700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098668 (or 1098650 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 252571128700 in words is "two hundred fifty-two billion, five hundred seventy-one million, one hundred twenty-eight thousand, seven hundred".