4004044444044 has 48 divisors (see below), whose sum is σ = 10426187279200. Its totient is φ = 1328853169728.

The previous prime is 4004044444021. The next prime is 4004044444063. The reversal of 4004044444044 is 4404444404004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80923927 + ... + 80973390.

Almost surely, 2^{4004044444044} is an apocalyptic number.

It is an amenable number.

4004044444044 is an abundant number, since it is smaller than the sum of its proper divisors (6422142835156).

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

4004044444044 is a wasteful number, since it uses less digits than its factorization.

4004044444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161897559 (or 161897551 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4004044444044 its reverse (4404444404004), we get a palindrome (8408488848048).

The spelling of 4004044444044 in words is "four trillion, four billion, forty-four million, four hundred forty-four thousand, forty-four".