4004400044 has 12 divisors (see below), whose sum is σ = 7008477168. Its totient is φ = 2001978000.

The previous prime is 4004400007. The next prime is 4004400053. The reversal of 4004400044 is 4400044004.

It is a junction number, because it is equal to n+sod(n) for n = 4004399989 and 4004400025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952 + ... + 90159.

It is an arithmetic number, because the mean of its divisors is an integer number (584039764).

Almost surely, 2^4004400044 is an apocalyptic number.

It is an amenable number.

4004400044 is a deficient number, since it is larger than the sum of its proper divisors (3004077124).

4004400044 is a wasteful number, since it uses less digits than its factorization.

4004400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111016 (or 111014 counting only the distinct ones).

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

The square root of 4004400044 is about 63280.3290446565. The cubic root of 4004400044 is about 1587.9828915499.

Adding to 4004400044 its reverse (4400044004), we get a palindrome (8404444048).

The spelling of 4004400044 in words is "four billion, four million, four hundred thousand, forty-four".