251255453232 has 80 divisors (see below), whose sum is σ = 741856303872. Its totient is φ = 71781999360.

The previous prime is 251255453173. The next prime is 251255453257. The reversal of 251255453232 is 232354552152.

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, 8357107 + ... + 8387117.

Almost surely, 2^251255453232 is an apocalyptic number.

It is an amenable number.

251255453232 is an abundant number, since it is smaller than the sum of its proper divisors (490600850640).

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

251255453232 is a wasteful number, since it uses less digits than its factorization.

251255453232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54946 (or 54940 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

The spelling of 251255453232 in words is "two hundred fifty-one billion, two hundred fifty-five million, four hundred fifty-three thousand, two hundred thirty-two".