3984819988480 has 96 divisors (see below), whose sum is σ = 9566037018720. Its totient is φ = 1593127157760.

The previous prime is 3984819988451. The next prime is 3984819988537. The reversal of 3984819988480 is 848899184893.

It is a self number, because there is not a number n which added to its sum of digits gives 3984819988480.

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, 20495887 + ... + 20689393.

It is an arithmetic number, because the mean of its divisors is an integer number (99646218945).

Almost surely, 2^{3984819988480} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3984819988480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4783018509360).

3984819988480 is an abundant number, since it is smaller than the sum of its proper divisors (5581217030240).

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

3984819988480 is a wasteful number, since it uses less digits than its factorization.

3984819988480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195545 (or 195525 counting only the distinct ones).

The product of its (nonzero) digits is 1146617856, while the sum is 79.

The spelling of 3984819988480 in words is "three trillion, nine hundred eighty-four billion, eight hundred nineteen million, nine hundred eighty-eight thousand, four hundred eighty".