257038849400 has 48 divisors (see below), whose sum is σ = 618222763800. Its totient is φ = 99270174080.

The previous prime is 257038849363. The next prime is 257038849433. The reversal of 257038849400 is 4948830752.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22152722 + ... + 22164321.

Almost surely, 2^257038849400 is an apocalyptic number.

257038849400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257038849400 is an abundant number, since it is smaller than the sum of its proper divisors (361183914400).

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

257038849400 is a wasteful number, since it uses less digits than its factorization.

257038849400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44317088 (or 44317079 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 257038849400 in words is "two hundred fifty-seven billion, thirty-eight million, eight hundred forty-nine thousand, four hundred".