257890584130 has 16 divisors (see below), whose sum is σ = 465018884280. Its totient is φ = 102974937472.

The previous prime is 257890584097. The next prime is 257890584163. The reversal of 257890584130 is 31485098752.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (257890584097) and next prime (257890584163).

It can be written as a sum of positive squares in 4 ways, for example, as 162113332689 + 95777251441 = 402633^2 + 309479^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22656049 + ... + 22667428.

Almost surely, 2^257890584130 is an apocalyptic number.

257890584130 is a deficient number, since it is larger than the sum of its proper divisors (207128300150).

257890584130 is a wasteful number, since it uses less digits than its factorization.

257890584130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45324053.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 257890584130 in words is "two hundred fifty-seven billion, eight hundred ninety million, five hundred eighty-four thousand, one hundred thirty".