6402442256 has 40 divisors (see below), whose sum is σ = 14184877824. Its totient is φ = 2742347520.

The previous prime is 6402442187. The next prime is 6402442283. The reversal of 6402442256 is 6522442046.

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, 194276 + ... + 224828.

Almost surely, 2^6402442256 is an apocalyptic number.

It is an amenable number.

6402442256 is an abundant number, since it is smaller than the sum of its proper divisors (7782435568).

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

6402442256 is a wasteful number, since it uses less digits than its factorization.

6402442256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32439 (or 32433 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 6402442256 is about 80015.2626440731. The cubic root of 6402442256 is about 1856.8716689981.

The spelling of 6402442256 in words is "six billion, four hundred two million, four hundred forty-two thousand, two hundred fifty-six".