3944448976 has 80 divisors (see below), whose sum is σ = 8324022784. Its totient is φ = 1799926272.

The previous prime is 3944448967. The next prime is 3944448979. The reversal of 3944448976 is 6798444493.

3944448976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3944448976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944448979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12848215 + ... + 12848521.

Almost surely, 2^3944448976 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 3944448976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4162011392).

3944448976 is an abundant number, since it is smaller than the sum of its proper divisors (4379573808).

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

3944448976 is a wasteful number, since it uses less digits than its factorization.

3944448976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 58.

The square root of 3944448976 is about 62804.8483478784. The cubic root of 3944448976 is about 1580.0182895923.

The spelling of 3944448976 in words is "three billion, nine hundred forty-four million, four hundred forty-eight thousand, nine hundred seventy-six".