252800462640 has 80 divisors (see below), whose sum is σ = 854925209856. Its totient is φ = 61284960000.

The previous prime is 252800462617. The next prime is 252800462653. The reversal of 252800462640 is 46264008252.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47876236 + ... + 47881515.

Almost surely, 2^252800462640 is an apocalyptic number.

252800462640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252800462640 is an abundant number, since it is smaller than the sum of its proper divisors (602124747216).

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

252800462640 is a wasteful number, since it uses less digits than its factorization.

252800462640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95757778 (or 95757772 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 252800462640 in words is "two hundred fifty-two billion, eight hundred million, four hundred sixty-two thousand, six hundred forty".