256068592 has 20 divisors (see below), whose sum is σ = 534297400. Its totient is φ = 118185408.

The previous prime is 256068583. The next prime is 256068607. The reversal of 256068592 is 295860652.

It is a super-2 number, since 2×256068592² = 131142247617724928, which contains 22 as substring.

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, 615342 + ... + 615757.

It is an arithmetic number, because the mean of its divisors is an integer number (26714870).

Almost surely, 2^256068592 is an apocalyptic number.

It is an amenable number.

256068592 is an abundant number, since it is smaller than the sum of its proper divisors (278228808).

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

256068592 is a wasteful number, since it uses less digits than its factorization.

256068592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231120 (or 1231114 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 256068592 is about 16002.1433564382. The cubic root of 256068592 is about 635.0171256257.

The spelling of 256068592 in words is "two hundred fifty-six million, sixty-eight thousand, five hundred ninety-two".