4440144 has 20 divisors (see below), whose sum is σ = 11470496. Its totient is φ = 1480032.

The previous prime is 4440133. The next prime is 4440169. The reversal of 4440144 is 4410444.

It is a self number, because there is not a number n which added to its sum of digits gives 4440144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46204 + ... + 46299.

Almost surely, 2^4440144 is an apocalyptic number.

It is an amenable number.

4440144 is an abundant number, since it is smaller than the sum of its proper divisors (7030352).

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

4440144 is a wasteful number, since it uses less digits than its factorization.

4440144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92514 (or 92508 counting only the distinct ones).

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

The square root of 4440144 is about 2107.1649199813. The cubic root of 4440144 is about 164.3610921358.

Adding to 4440144 its reverse (4410444), we get a palindrome (8850588).

The spelling of 4440144 in words is "four million, four hundred forty thousand, one hundred forty-four".