252800278056 has 48 divisors (see below), whose sum is σ = 685866598560. Its totient is φ = 84119168160.

The previous prime is 252800277997. The next prime is 252800278057. The reversal of 252800278056 is 650872008252.

252800278056 is a `hidden beast` number, since 2 + 528 + 0 + 0 + 2 + 78 + 0 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (252800278057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3033420 + ... + 3115643.

It is an arithmetic number, because the mean of its divisors is an integer number (14288887470).

Almost surely, 2^252800278056 is an apocalyptic number.

It is an amenable number.

252800278056 is an abundant number, since it is smaller than the sum of its proper divisors (433066320504).

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

252800278056 is a wasteful number, since it uses less digits than its factorization.

252800278056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149646 (or 6149639 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 252800278056 in words is "two hundred fifty-two billion, eight hundred million, two hundred seventy-eight thousand, fifty-six".