6402246664 has 32 divisors (see below), whose sum is σ = 13098960000. Its totient is φ = 2909344320.

The previous prime is 6402246659. The next prime is 6402246679. The reversal of 6402246664 is 4666422046.

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, 450337 + ... + 464335.

It is an arithmetic number, because the mean of its divisors is an integer number (409342500).

Almost surely, 2^6402246664 is an apocalyptic number.

It is an amenable number.

6402246664 is an abundant number, since it is smaller than the sum of its proper divisors (6696713336).

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

6402246664 is a wasteful number, since it uses less digits than its factorization.

6402246664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19213 (or 19209 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 6402246664 is about 80014.0404179167. The cubic root of 6402246664 is about 1856.8527599148.

The spelling of 6402246664 in words is "six billion, four hundred two million, two hundred forty-six thousand, six hundred sixty-four".