257471530740400 has 60 divisors (see below), whose sum is σ = 654962138068392. Its totient is φ = 96930458629120.

The previous prime is 257471530740377. The next prime is 257471530740401. The reversal of 257471530740400 is 4047035174752.

It is not an unprimeable number, because it can be changed into a prime (257471530740401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18931723402 + ... + 18931737001.

Almost surely, 2^{257471530740400} is an apocalyptic number.

257471530740400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257471530740400 is an abundant number, since it is smaller than the sum of its proper divisors (397490607327992).

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

257471530740400 is a wasteful number, since it uses less digits than its factorization.

257471530740400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37863460438 (or 37863460427 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 257471530740400 in words is "two hundred fifty-seven trillion, four hundred seventy-one billion, five hundred thirty million, seven hundred forty thousand, four hundred".