257425089344 has 28 divisors (see below), whose sum is σ = 510879717888. Its totient is φ = 128699491200.

The previous prime is 257425089343. The next prime is 257425089349. The reversal of 257425089344 is 443980524752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257425089343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448199 + ... + 846009.

Almost surely, 2^257425089344 is an apocalyptic number.

It is an amenable number.

257425089344 is a deficient number, since it is larger than the sum of its proper divisors (253454628544).

257425089344 is a wasteful number, since it uses less digits than its factorization.

257425089344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407934 (or 407924 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 257425089344 in words is "two hundred fifty-seven billion, four hundred twenty-five million, eighty-nine thousand, three hundred forty-four".