6405664302 has 64 divisors (see below), whose sum is σ = 14358528000. Its totient is φ = 2116736064.

The previous prime is 6405664283. The next prime is 6405664327. The reversal of 6405664302 is 2034665046.

6405664302 is a `hidden beast` number, since 6 + 4 + 0 + 5 + 6 + 643 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5007699 + ... + 5008977.

It is an arithmetic number, because the mean of its divisors is an integer number (224352000).

Almost surely, 2^6405664302 is an apocalyptic number.

6405664302 is an abundant number, since it is smaller than the sum of its proper divisors (7952863698).

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

6405664302 is a wasteful number, since it uses less digits than its factorization.

6405664302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 6405664302 is about 80035.3940578792. The cubic root of 6405664302 is about 1857.1831086193.

The spelling of 6405664302 in words is "six billion, four hundred five million, six hundred sixty-four thousand, three hundred two".