257451579196 has 12 divisors (see below), whose sum is σ = 514903158448. Its totient is φ = 110336391072.

The previous prime is 257451579107. The next prime is 257451579263. The reversal of 257451579196 is 691975154752.

257451579196 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4597349601 + ... + 4597349656.

Almost surely, 2^257451579196 is an apocalyptic number.

It is an amenable number.

257451579196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257451579196 is a wasteful number, since it uses less digits than its factorization.

257451579196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194699268 (or 9194699266 counting only the distinct ones).

The product of its digits is 23814000, while the sum is 61.

The spelling of 257451579196 in words is "two hundred fifty-seven billion, four hundred fifty-one million, five hundred seventy-nine thousand, one hundred ninety-six".