3944131272 has 32 divisors (see below), whose sum is σ = 10955920800. Its totient is φ = 1314710352.

The previous prime is 3944131211. The next prime is 3944131309. The reversal of 3944131272 is 2721314493.

It is a happy number.

3944131272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 9129718 + ... + 9130149.

It is an arithmetic number, because the mean of its divisors is an integer number (342372525).

Almost surely, 2^3944131272 is an apocalyptic number.

It is an amenable number.

3944131272 is an abundant number, since it is smaller than the sum of its proper divisors (7011789528).

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

3944131272 is a wasteful number, since it uses less digits than its factorization.

3944131272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18259882 (or 18259872 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3944131272 is about 62802.3190017694. The cubic root of 3944131272 is about 1579.9758678149.

The spelling of 3944131272 in words is "three billion, nine hundred forty-four million, one hundred thirty-one thousand, two hundred seventy-two".