257047400035156 has 24 divisors (see below), whose sum is σ = 469525362433344. Its totient is φ = 122900497864320.

The previous prime is 257047400035117. The next prime is 257047400035159. The reversal of 257047400035156 is 651530004740752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257047400035159) 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, 399849765 + ... + 400492108.

It is an arithmetic number, because the mean of its divisors is an integer number (19563556768056).

Almost surely, 2^{257047400035156} is an apocalyptic number.

It is an amenable number.

257047400035156 is a deficient number, since it is larger than the sum of its proper divisors (212477962398188).

257047400035156 is a wasteful number, since it uses less digits than its factorization.

257047400035156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800345391 (or 800345389 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 257047400035156 in words is "two hundred fifty-seven trillion, forty-seven billion, four hundred million, thirty-five thousand, one hundred fifty-six".