4394392944 has 40 divisors (see below), whose sum is σ = 11369808000. Its totient is φ = 1462523328.

The previous prime is 4394392909. The next prime is 4394392993. The reversal of 4394392944 is 4492934934.

It is a happy number.

It is a congruent number.

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, 39694 + ... + 101805.

It is an arithmetic number, because the mean of its divisors is an integer number (284245200).

Almost surely, 2^4394392944 is an apocalyptic number.

It is an amenable number.

4394392944 is an abundant number, since it is smaller than the sum of its proper divisors (6975415056).

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

4394392944 is a wasteful number, since it uses less digits than its factorization.

4394392944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142157 (or 142151 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The square root of 4394392944 is about 66290.2175588525. The cubic root of 4394392944 is about 1637.9461877095.

The spelling of 4394392944 in words is "four billion, three hundred ninety-four million, three hundred ninety-two thousand, nine hundred forty-four".