257390231300 has 36 divisors (see below), whose sum is σ = 570420574080. Its totient is φ = 100765535520.

The previous prime is 257390231291. The next prime is 257390231311. The reversal of 257390231300 is 3132093752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27377240 + ... + 27386639.

Almost surely, 2^257390231300 is an apocalyptic number.

257390231300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257390231300 is an abundant number, since it is smaller than the sum of its proper divisors (313030342780).

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

257390231300 is a wasteful number, since it uses less digits than its factorization.

257390231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54763940 (or 54763933 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The spelling of 257390231300 in words is "two hundred fifty-seven billion, three hundred ninety million, two hundred thirty-one thousand, three hundred".