3257239568 has 40 divisors (see below), whose sum is σ = 6888175200. Its totient is φ = 1479799040.

The previous prime is 3257239459. The next prime is 3257239589. The reversal of 3257239568 is 8659327523.

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, 471596 + ... + 478452.

It is an arithmetic number, because the mean of its divisors is an integer number (172204380).

Almost surely, 2^3257239568 is an apocalyptic number.

It is an amenable number.

3257239568 is an abundant number, since it is smaller than the sum of its proper divisors (3630935632).

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

3257239568 is a wasteful number, since it uses less digits than its factorization.

3257239568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575 (or 9569 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 50.

The square root of 3257239568 is about 57072.2311461537. The cubic root of 3257239568 is about 1482.3470745345.

The spelling of 3257239568 in words is "three billion, two hundred fifty-seven million, two hundred thirty-nine thousand, five hundred sixty-eight".