3941944872 has 64 divisors (see below), whose sum is σ = 10253107200. Its totient is φ = 1261552320.

The previous prime is 3941944871. The next prime is 3941944883. The reversal of 3941944872 is 2784491493.

It is not an unprimeable number, because it can be changed into a prime (3941944871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73629 + ... + 115347.

It is an arithmetic number, because the mean of its divisors is an integer number (160204800).

Almost surely, 2^3941944872 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 3941944872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5126553600).

3941944872 is an abundant number, since it is smaller than the sum of its proper divisors (6311162328).

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

3941944872 is a wasteful number, since it uses less digits than its factorization.

3941944872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41886 (or 41882 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 3941944872 is about 62784.9095882124. The cubic root of 3941944872 is about 1579.6838645394.

The spelling of 3941944872 in words is "three billion, nine hundred forty-one million, nine hundred forty-four thousand, eight hundred seventy-two".