257925710032 has 20 divisors (see below), whose sum is σ = 513237309316. Its totient is φ = 125477372160.

The previous prime is 257925710027. The next prime is 257925710033. The reversal of 257925710032 is 230017529752.

It can be written as a sum of positive squares in 2 ways, for example, as 237075505216 + 20850204816 = 486904^2 + 144396^2 .

It is a super-2 number, since 2×257925710032² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257925710033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217842069 + ... + 217843252.

Almost surely, 2^257925710032 is an apocalyptic number.

It is an amenable number.

257925710032 is a deficient number, since it is larger than the sum of its proper divisors (255311599284).

257925710032 is a wasteful number, since it uses less digits than its factorization.

257925710032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435685366 (or 435685360 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 257925710032 in words is "two hundred fifty-seven billion, nine hundred twenty-five million, seven hundred ten thousand, thirty-two".