4044440128 has 14 divisors (see below), whose sum is σ = 8025686006. Its totient is φ = 2022220032.

The previous prime is 4044440093. The next prime is 4044440143. The reversal of 4044440128 is 8210444404.

It can be written as a sum of positive squares in only one way, i.e., 2246001664 + 1798438464 = 47392^2 + 42408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4044440128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31597125 + ... + 31597252.

Almost surely, 2^4044440128 is an apocalyptic number.

It is an amenable number.

4044440128 is a deficient number, since it is larger than the sum of its proper divisors (3981245878).

4044440128 is an equidigital number, since it uses as much as digits as its factorization.

4044440128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63194389 (or 63194379 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

The square root of 4044440128 is about 63595.9128246462. The cubic root of 4044440128 is about 1593.2581066977.

The spelling of 4044440128 in words is "four billion, forty-four million, four hundred forty thousand, one hundred twenty-eight".