18595980380004 has 12 divisors (see below), whose sum is σ = 43390620886704. Its totient is φ = 6198660126664.

The previous prime is 18595980379939. The next prime is 18595980380017. The reversal of 18595980380004 is 40008308959581.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 18595980380004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774832515822 + ... + 774832515845.

It is an arithmetic number, because the mean of its divisors is an integer number (3615885073892).

Almost surely, 2^{18595980380004} is an apocalyptic number.

It is an amenable number.

18595980380004 is an abundant number, since it is smaller than the sum of its proper divisors (24794640506700).

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

18595980380004 is a wasteful number, since it uses less digits than its factorization.

18595980380004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549665031674 (or 1549665031672 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 18595980380004 in words is "eighteen trillion, five hundred ninety-five billion, nine hundred eighty million, three hundred eighty thousand, four".