4431073988 has 24 divisors (see below), whose sum is σ = 8462198304. Its totient is φ = 2013440000.

The previous prime is 4431073979. The next prime is 4431074027. The reversal of 4431073988 is 8893701344.

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, 127556 + ... + 158532.

It is an arithmetic number, because the mean of its divisors is an integer number (352591596).

Almost surely, 2^4431073988 is an apocalyptic number.

It is an amenable number.

4431073988 is a deficient number, since it is larger than the sum of its proper divisors (4031124316).

4431073988 is a wasteful number, since it uses less digits than its factorization.

4431073988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34243 (or 34241 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 4431073988 is about 66566.3127114609. The cubic root of 4431073988 is about 1642.4910077526.

The spelling of 4431073988 in words is "four billion, four hundred thirty-one million, seventy-three thousand, nine hundred eighty-eight".