3944289405160 has 64 divisors (see below), whose sum is σ = 9584701938000. Its totient is φ = 1452180013056.

The previous prime is 3944289405149. The next prime is 3944289405211. The reversal of 3944289405160 is 615049824493.

It can be written as a sum of positive squares in 8 ways, for example, as 2593845533764 + 1350443871396 = 1610542^2 + 1162086^2 .

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, 10685529 + ... + 11048488.

Almost surely, 2^{3944289405160} is an apocalyptic number.

It is an amenable number.

3944289405160 is an abundant number, since it is smaller than the sum of its proper divisors (5640412532840).

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

3944289405160 is a wasteful number, since it uses less digits than its factorization.

3944289405160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734390 (or 21734386 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 3944289405160 in words is "three trillion, nine hundred forty-four billion, two hundred eighty-nine million, four hundred five thousand, one hundred sixty".