3944278044 has 48 divisors (see below), whose sum is σ = 11686752000. Its totient is φ = 1126936368.

The previous prime is 3944278003. The next prime is 3944278133. The reversal of 3944278044 is 4408724493.

It is a congruent number.

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, 2607894 + ... + 2609405.

It is an arithmetic number, because the mean of its divisors is an integer number (243474000).

Almost surely, 2^3944278044 is an apocalyptic number.

It is an amenable number.

3944278044 is an abundant number, since it is smaller than the sum of its proper divisors (7742473956).

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

3944278044 is a wasteful number, since it uses less digits than its factorization.

3944278044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217319 (or 5217311 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 3944278044 is about 62803.4875146277. The cubic root of 3944278044 is about 1579.9954659914.

The spelling of 3944278044 in words is "three billion, nine hundred forty-four million, two hundred seventy-eight thousand, forty-four".