257300396416 has 64 divisors (see below), whose sum is σ = 601650859680. Its totient is φ = 107291271168.

The previous prime is 257300396399. The next prime is 257300396417. The reversal of 257300396416 is 614693003752.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257300396417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847465 + ... + 3913768.

Almost surely, 2^257300396416 is an apocalyptic number.

It is an amenable number.

257300396416 is an abundant number, since it is smaller than the sum of its proper divisors (344350463264).

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

257300396416 is an equidigital number, since it uses as much as digits as its factorization.

257300396416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761291 (or 7761279 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 257300396416 in words is "two hundred fifty-seven billion, three hundred million, three hundred ninety-six thousand, four hundred sixteen".