6384744885680 has 80 divisors (see below), whose sum is σ = 16972666179840. Its totient is φ = 2188089336576.

The previous prime is 6384744885667. The next prime is 6384744885737. The reversal of 6384744885680 is 865884474836.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245110 + ... + 3784149.

It is an arithmetic number, because the mean of its divisors is an integer number (212158327248).

Almost surely, 2^{6384744885680} is an apocalyptic number.

It is an amenable number.

6384744885680 is an abundant number, since it is smaller than the sum of its proper divisors (10587921294160).

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

6384744885680 is a wasteful number, since it uses less digits than its factorization.

6384744885680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031546 (or 5031540 counting only the distinct ones).

The product of its (nonzero) digits is 990904320, while the sum is 71.

The spelling of 6384744885680 in words is "six trillion, three hundred eighty-four billion, seven hundred forty-four million, eight hundred eighty-five thousand, six hundred eighty".