257229248472 has 96 divisors (see below), whose sum is σ = 800354580480. Its totient is φ = 73109257920.

The previous prime is 257229248461. The next prime is 257229248501. The reversal of 257229248472 is 274842922752.

It is a happy number.

257229248472 is a `hidden beast` number, since 2 + 5 + 7 + 2 + 2 + 92 + 484 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239798 + ... + 1432325.

It is an arithmetic number, because the mean of its divisors is an integer number (8337026880).

Almost surely, 2^257229248472 is an apocalyptic number.

It is an amenable number.

257229248472 is an abundant number, since it is smaller than the sum of its proper divisors (543125332008).

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

257229248472 is a wasteful number, since it uses less digits than its factorization.

257229248472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672333 (or 2672326 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 257229248472 in words is "two hundred fifty-seven billion, two hundred twenty-nine million, two hundred forty-eight thousand, four hundred seventy-two".