4400400040044 has 24 divisors (see below), whose sum is σ = 10545102799728. Its totient is φ = 1427156769600.

The previous prime is 4400400040039. The next prime is 4400400040117.

4400400040044 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4400400039996 and 4400400040023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955405007 + ... + 4955405894.

It is an arithmetic number, because the mean of its divisors is an integer number (439379283322).

Almost surely, 2^{4400400040044} is an apocalyptic number.

It is an amenable number.

4400400040044 is an abundant number, since it is smaller than the sum of its proper divisors (6144702759684).

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

4400400040044 is a wasteful number, since it uses less digits than its factorization.

4400400040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910810945 (or 9910810943 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

It can be divided in two parts, 44004000 and 40044, that added together give a palindrome (44044044).

The spelling of 4400400040044 in words is "four trillion, four hundred billion, four hundred million, forty thousand, forty-four".