6402905976 has 48 divisors (see below), whose sum is σ = 17004275640. Its totient is φ = 2008752640.

The previous prime is 6402905921. The next prime is 6402905983. The reversal of 6402905976 is 6795092046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454635 + ... + 468506.

Almost surely, 2^6402905976 is an apocalyptic number.

It is an amenable number.

6402905976 is an abundant number, since it is smaller than the sum of its proper divisors (10601369664).

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

6402905976 is a wasteful number, since it uses less digits than its factorization.

6402905976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923184 (or 923163 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 6402905976 is about 80018.1602887744. The cubic root of 6402905976 is about 1856.9164981278.

The spelling of 6402905976 in words is "six billion, four hundred two million, nine hundred five thousand, nine hundred seventy-six".