257833080250 has 16 divisors (see below), whose sum is σ = 482663526696. Its totient is φ = 103133232000.

The previous prime is 257833080191. The next prime is 257833080341. The reversal of 257833080250 is 52080338752.

It can be written as a sum of positive squares in 4 ways, for example, as 100927571481 + 156905508769 = 317691^2 + 396113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 257833080197 and 257833080206.

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, 515665911 + ... + 515666410.

Almost surely, 2^257833080250 is an apocalyptic number.

257833080250 is a deficient number, since it is larger than the sum of its proper divisors (224830446446).

257833080250 is a wasteful number, since it uses less digits than its factorization.

257833080250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031332338 (or 1031332328 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 257833080250 in words is "two hundred fifty-seven billion, eight hundred thirty-three million, eighty thousand, two hundred fifty".