44440044004 has 12 divisors (see below), whose sum is σ = 77774546304. Its totient is φ = 22218745064.

The previous prime is 44440043981. The next prime is 44440044007. The reversal of 44440044004 is 40044004444.

It is a super-2 number, since 2×44440044004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44440044007) 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, 238672 + ... + 381895.

It is an arithmetic number, because the mean of its divisors is an integer number (6481212192).

Almost surely, 2^44440044004 is an apocalyptic number.

It is an amenable number.

44440044004 is a deficient number, since it is larger than the sum of its proper divisors (33334502300).

44440044004 is a wasteful number, since it uses less digits than its factorization.

44440044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638474 (or 638472 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44440044004 its reverse (40044004444), we get a palindrome (84484048448).

The spelling of 44440044004 in words is "forty-four billion, four hundred forty million, forty-four thousand, four".