3950221044 has 72 divisors (see below), whose sum is σ = 11696777568. Its totient is φ = 1026029760.

The previous prime is 3950221039. The next prime is 3950221057. The reversal of 3950221044 is 4401220593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298899 + ... + 311834.

It is an arithmetic number, because the mean of its divisors is an integer number (162455244).

Almost surely, 2^3950221044 is an apocalyptic number.

It is an amenable number.

3950221044 is an abundant number, since it is smaller than the sum of its proper divisors (7746556524).

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

3950221044 is a wasteful number, since it uses less digits than its factorization.

3950221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610765 (or 610756 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3950221044 is about 62850.7839569245. The cubic root of 3950221044 is about 1580.7886150241.

The spelling of 3950221044 in words is "three billion, nine hundred fifty million, two hundred twenty-one thousand, forty-four".