6642370003280 has 40 divisors (see below), whose sum is σ = 16847465737824. Its totient is φ = 2415407273600.

The previous prime is 6642370003273. The next prime is 6642370003327. The reversal of 6642370003280 is 823000732466.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3774072986 + ... + 3774074745.

Almost surely, 2^{6642370003280} is an apocalyptic number.

It is an amenable number.

6642370003280 is an abundant number, since it is smaller than the sum of its proper divisors (10205095734544).

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

6642370003280 is a wasteful number, since it uses less digits than its factorization.

6642370003280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548147755 (or 7548147749 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 6642370003280 in words is "six trillion, six hundred forty-two billion, three hundred seventy million, three thousand, two hundred eighty".