252293231628 has 48 divisors (see below), whose sum is σ = 655741265760. Its totient is φ = 83885896512.

The previous prime is 252293231623. The next prime is 252293231629. The reversal of 252293231628 is 826132392252.

252293231628 is a `hidden beast` number, since 2 + 522 + 9 + 32 + 31 + 62 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (252293231623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2899251 + ... + 2985002.

It is an arithmetic number, because the mean of its divisors is an integer number (13661276370).

Almost surely, 2^252293231628 is an apocalyptic number.

It is an amenable number.

252293231628 is an abundant number, since it is smaller than the sum of its proper divisors (403448034132).

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

252293231628 is a wasteful number, since it uses less digits than its factorization.

252293231628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884663 (or 5884655 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 252293231628 in words is "two hundred fifty-two billion, two hundred ninety-three million, two hundred thirty-one thousand, six hundred twenty-eight".