64374938045580 has 48 divisors (see below), whose sum is σ = 180836959564800. Its totient is φ = 17110732713408.

The previous prime is 64374938045549. The next prime is 64374938045609. The reversal of 64374938045580 is 8554083947346.

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, 1747401180 + ... + 1747438019.

It is an arithmetic number, because the mean of its divisors is an integer number (3767436657600).

Almost surely, 2^{64374938045580} is an apocalyptic number.

64374938045580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64374938045580 is an abundant number, since it is smaller than the sum of its proper divisors (116462021519220).

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

64374938045580 is a wasteful number, since it uses less digits than its factorization.

64374938045580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494839518 (or 3494839516 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 66.

The spelling of 64374938045580 in words is "sixty-four trillion, three hundred seventy-four billion, nine hundred thirty-eight million, forty-five thousand, five hundred eighty".