4399042432 has 16 divisors (see below), whose sum is σ = 8763717600. Its totient is φ = 2199521152.

The previous prime is 4399042429. The next prime is 4399042447. The reversal of 4399042432 is 2342409934.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17183632 + ... + 17183887.

It is an arithmetic number, because the mean of its divisors is an integer number (547732350).

Almost surely, 2^4399042432 is an apocalyptic number.

It is an amenable number.

4399042432 is a deficient number, since it is larger than the sum of its proper divisors (4364675168).

4399042432 is an equidigital number, since it uses as much as digits as its factorization.

4399042432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34367533 (or 34367521 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 4399042432 is about 66325.2774739767. The cubic root of 4399042432 is about 1638.5236604814.

The spelling of 4399042432 in words is "four billion, three hundred ninety-nine million, forty-two thousand, four hundred thirty-two".