4044400044 has 24 divisors (see below), whose sum is σ = 9455061168. Its totient is φ = 1345543680.

The previous prime is 4044399991. The next prime is 4044400049. The reversal of 4044400044 is 4400044404.

It is a junction number, because it is equal to n+sod(n) for n = 4044399987 and 4044400023.

It is not an unprimeable number, because it can be changed into a prime (4044400049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317197 + ... + 329700.

It is an arithmetic number, because the mean of its divisors is an integer number (393960882).

Almost surely, 2^4044400044 is an apocalyptic number.

It is an amenable number.

4044400044 is an abundant number, since it is smaller than the sum of its proper divisors (5410661124).

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

4044400044 is a wasteful number, since it uses less digits than its factorization.

4044400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647425 (or 647423 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4044400044 is about 63595.5976778267. The cubic root of 4044400044 is about 1593.2528431452.

Adding to 4044400044 its reverse (4400044404), we get a palindrome (8444444448).

The spelling of 4044400044 in words is "four billion, forty-four million, four hundred thousand, forty-four".