4044400444 has 12 divisors (see below), whose sum is σ = 8088800944. Its totient is φ = 1733314464.

The previous prime is 4044400429. The next prime is 4044400447. The reversal of 4044400444 is 4440044404.

4044400444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 144442873 = 4044400444 / (4 + 0 + 4 + 4 + 4 + 0 + 0 + 4 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044400447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72221409 + ... + 72221464.

Almost surely, 2^4044400444 is an apocalyptic number.

It is an amenable number.

4044400444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4044400444 is a wasteful number, since it uses less digits than its factorization.

4044400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144442884 (or 144442882 counting only the distinct ones).

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

The square root of 4044400444 is about 63595.6008226984. The cubic root of 4044400444 is about 1593.2528956706.

Adding to 4044400444 its reverse (4440044404), we get a palindrome (8484444848).

The spelling of 4044400444 in words is "four billion, forty-four million, four hundred thousand, four hundred forty-four".