257574395216 has 40 divisors (see below), whose sum is σ = 503439027840. Its totient is φ = 127658950784.

The previous prime is 257574395203. The next prime is 257574395219. The reversal of 257574395216 is 612593475752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257574395219) 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, 824990 + ... + 1093506.

It is an arithmetic number, because the mean of its divisors is an integer number (12585975696).

Almost surely, 2^257574395216 is an apocalyptic number.

It is an amenable number.

257574395216 is a deficient number, since it is larger than the sum of its proper divisors (245864632624).

257574395216 is a wasteful number, since it uses less digits than its factorization.

257574395216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269051 (or 269045 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 56.

The spelling of 257574395216 in words is "two hundred fifty-seven billion, five hundred seventy-four million, three hundred ninety-five thousand, two hundred sixteen".