257238229232 has 40 divisors (see below), whose sum is σ = 513936501792. Its totient is φ = 124651008000.

The previous prime is 257238229217. The next prime is 257238229247. The reversal of 257238229232 is 232922832752.

It is an interprime number because it is at equal distance from previous prime (257238229217) and next prime (257238229247).

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, 1199393 + ... + 1397504.

Almost surely, 2^257238229232 is an apocalyptic number.

It is an amenable number.

257238229232 is a deficient number, since it is larger than the sum of its proper divisors (256698272560).

257238229232 is a wasteful number, since it uses less digits than its factorization.

257238229232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597097 (or 2597091 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The spelling of 257238229232 in words is "two hundred fifty-seven billion, two hundred thirty-eight million, two hundred twenty-nine thousand, two hundred thirty-two".