4400040044 has 12 divisors (see below), whose sum is σ = 7826301168. Its totient is φ = 2163954000.

The previous prime is 4400040041. The next prime is 4400040067. The reversal of 4400040044 is 4400400044.

It is a junction number, because it is equal to n+sod(n) for n = 4400039998 and 4400040025.

It is not an unprimeable number, because it can be changed into a prime (4400040041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9016232 + ... + 9016719.

It is an arithmetic number, because the mean of its divisors is an integer number (652191764).

Almost surely, 2^4400040044 is an apocalyptic number.

It is an amenable number.

4400040044 is a deficient number, since it is larger than the sum of its proper divisors (3426261124).

4400040044 is a wasteful number, since it uses less digits than its factorization.

4400040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033016 (or 18033014 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4400040044 is about 66332.7976494283. The cubic root of 4400040044 is about 1638.6475122318.

Adding to 4400040044 its reverse (4400400044), we get a palindrome (8800440088).

Subtracting 4400040044 from its reverse (4400400044), we obtain a square (360000 = 600²).

The spelling of 4400040044 in words is "four billion, four hundred million, forty thousand, forty-four".