4440444044 has 12 divisors (see below), whose sum is σ = 7818451704. Its totient is φ = 2206600704.

The previous prime is 4440444023. The next prime is 4440444053. The reversal of 4440444044 is 4404440444.

It is a self number, because there is not a number n which added to its sum of digits gives 4440444044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3404597 + ... + 3405900.

It is an arithmetic number, because the mean of its divisors is an integer number (651537642).

Almost surely, 2^4440444044 is an apocalyptic number.

It is an amenable number.

4440444044 is a deficient number, since it is larger than the sum of its proper divisors (3378007660).

4440444044 is a wasteful number, since it uses less digits than its factorization.

4440444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810664 (or 6810662 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 4440444044 is about 66636.6569089416. The cubic root of 4440444044 is about 1643.6479430167.

Adding to 4440444044 its reverse (4404440444), we get a palindrome (8844884488).

The spelling of 4440444044 in words is "four billion, four hundred forty million, four hundred forty-four thousand, forty-four".