4044440044 has 6 divisors (see below), whose sum is σ = 7077770084. Its totient is φ = 2022220020.

The previous prime is 4044440027. The next prime is 4044440047. The reversal of 4044440044 is 4400444404.

It is a junction number, because it is equal to n+sod(n) for n = 4044439994 and 4044440021.

It is not an unprimeable number, because it can be changed into a prime (4044440047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555002 + ... + 505555009.

Almost surely, 2^4044440044 is an apocalyptic number.

It is an amenable number.

4044440044 is a deficient number, since it is larger than the sum of its proper divisors (3033330040).

4044440044 is a wasteful number, since it uses less digits than its factorization.

4044440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011110015 (or 1011110013 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4044440044 is about 63595.9121642264. The cubic root of 4044440044 is about 1593.2580956675.

Adding to 4044440044 its reverse (4400444404), we get a palindrome (8444884448).

The spelling of 4044440044 in words is "four billion, forty-four million, four hundred forty thousand, forty-four".