3984555989124 has 36 divisors (see below), whose sum is σ = 10109514755340. Its totient is φ = 1323247834560.

The previous prime is 3984555989083. The next prime is 3984555989149. The reversal of 3984555989124 is 4219895554893.

3984555989124 is a `hidden beast` number, since 3 + 9 + 8 + 4 + 5 + 5 + 598 + 9 + 1 + 24 = 666.

3984555989124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1764694382724 + 2219861606400 = 1328418^2 + 1489920^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205719147 + ... + 205738514.

It is an arithmetic number, because the mean of its divisors is an integer number (280819854315).

Almost surely, 2^{3984555989124} is an apocalyptic number.

It is an amenable number.

3984555989124 is an abundant number, since it is smaller than the sum of its proper divisors (6124958766216).

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

3984555989124 is a wasteful number, since it uses less digits than its factorization.

3984555989124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411457940 (or 411457935 counting only the distinct ones).

The product of its digits is 559872000, while the sum is 72.

The spelling of 3984555989124 in words is "three trillion, nine hundred eighty-four billion, five hundred fifty-five million, nine hundred eighty-nine thousand, one hundred twenty-four".