257322467752 has 32 divisors (see below), whose sum is σ = 551565576000. Its totient is φ = 110249000064.

The previous prime is 257322467719. The next prime is 257322467761. The reversal of 257322467752 is 257764223752.

It is a self number, because there is not a number n which added to its sum of digits gives 257322467752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472998 + ... + 859285.

It is an arithmetic number, because the mean of its divisors is an integer number (17236424250).

Almost surely, 2^257322467752 is an apocalyptic number.

It is an amenable number.

257322467752 is an abundant number, since it is smaller than the sum of its proper divisors (294243108248).

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

257322467752 is a wasteful number, since it uses less digits than its factorization.

257322467752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335745 (or 1335741 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 52.

The spelling of 257322467752 in words is "two hundred fifty-seven billion, three hundred twenty-two million, four hundred sixty-seven thousand, seven hundred fifty-two".