4044040432 has 20 divisors (see below), whose sum is σ = 7883402920. Its totient is φ = 2009613888.

The previous prime is 4044040421. The next prime is 4044040447. The reversal of 4044040432 is 2340404404.

It is a junction number, because it is equal to n+sod(n) for n = 4044040397 and 4044040406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772707 + ... + 777922.

It is an arithmetic number, because the mean of its divisors is an integer number (394170146).

Almost surely, 2^4044040432 is an apocalyptic number.

It is an amenable number.

4044040432 is a deficient number, since it is larger than the sum of its proper divisors (3839362488).

4044040432 is a wasteful number, since it uses less digits than its factorization.

4044040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550800 (or 1550794 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4044040432 is about 63592.7702809054. The cubic root of 4044040432 is about 1593.2056198391.

Adding to 4044040432 its reverse (2340404404), we get a palindrome (6384444836).

The spelling of 4044040432 in words is "four billion, forty-four million, forty thousand, four hundred thirty-two".