3944604544420 has 24 divisors (see below), whose sum is σ = 8298813386304. Its totient is φ = 1574957276256.

The previous prime is 3944604544403. The next prime is 3944604544451. The reversal of 3944604544420 is 244454064493.

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, 180272632 + ... + 180294511.

It is an arithmetic number, because the mean of its divisors is an integer number (345783891096).

Almost surely, 2^{3944604544420} is an apocalyptic number.

It is an amenable number.

3944604544420 is an abundant number, since it is smaller than the sum of its proper divisors (4354208841884).

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

3944604544420 is a wasteful number, since it uses less digits than its factorization.

3944604544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360567699 (or 360567697 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 3944604544420 in words is "three trillion, nine hundred forty-four billion, six hundred four million, five hundred forty-four thousand, four hundred twenty".