257550716632 has 32 divisors (see below), whose sum is σ = 527135176080. Its totient is φ = 116995864960.

The previous prime is 257550716617. The next prime is 257550716641. The reversal of 257550716632 is 236617055752.

It is a happy number.

It is a super-2 number, since 2×257550716632² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 765283 + ... + 1049170.

Almost surely, 2^257550716632 is an apocalyptic number.

257550716632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

257550716632 is an abundant number, since it is smaller than the sum of its proper divisors (269584459448).

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

257550716632 is a wasteful number, since it uses less digits than its factorization.

257550716632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816083 (or 1816079 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 257550716632 in words is "two hundred fifty-seven billion, five hundred fifty million, seven hundred sixteen thousand, six hundred thirty-two".