6642404060 has 24 divisors (see below), whose sum is σ = 13951741776. Its totient is φ = 2656448640.

The previous prime is 6642404051. The next prime is 6642404099. The reversal of 6642404060 is 604042466.

It is a congruent number.

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, 84440 + ... + 142880.

It is an arithmetic number, because the mean of its divisors is an integer number (581322574).

Almost surely, 2^6642404060 is an apocalyptic number.

It is an amenable number.

6642404060 is an abundant number, since it is smaller than the sum of its proper divisors (7309337716).

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

6642404060 is a wasteful number, since it uses less digits than its factorization.

6642404060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64133 (or 64131 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 6642404060 is about 81500.9451478938. The cubic root of 6642404060 is about 1879.7860836278.

The spelling of 6642404060 in words is "six billion, six hundred forty-two million, four hundred four thousand, sixty".