4044144 has 40 divisors (see below), whose sum is σ = 11252752. Its totient is φ = 1244160.

The previous prime is 4044077. The next prime is 4044179. The reversal of 4044144 is 4414404.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4044144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617 + ... + 3864.

Almost surely, 2^4044144 is an apocalyptic number.

It is an amenable number.

4044144 is an abundant number, since it is smaller than the sum of its proper divisors (7208608).

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

4044144 is a wasteful number, since it uses less digits than its factorization.

4044144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4044144 is about 2011.0057185399. The cubic root of 4044144 is about 159.3219220405.

Adding to 4044144 its reverse (4414404), we get a palindrome (8458548).

The spelling of 4044144 in words is "four million, forty-four thousand, one hundred forty-four".