256096408 has 16 divisors (see below), whose sum is σ = 484936560. Its totient is φ = 126780000.

The previous prime is 256096391. The next prime is 256096411. The reversal of 256096408 is 804690652.

It is a happy number.

256096408 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 157668 + ... + 159283.

It is an arithmetic number, because the mean of its divisors is an integer number (30308535).

Almost surely, 2^256096408 is an apocalyptic number.

It is an amenable number.

256096408 is a deficient number, since it is larger than the sum of its proper divisors (228840152).

256096408 is a wasteful number, since it uses less digits than its factorization.

256096408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317058 (or 317054 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 256096408 is about 16003.0124664077. The cubic root of 256096408 is about 635.0401181589.

The spelling of 256096408 in words is "two hundred fifty-six million, ninety-six thousand, four hundred eight".