4000004400044 has 24 divisors (see below), whose sum is σ = 7072616694528. Its totient is φ = 1979294807120.

The previous prime is 4000004400043. The next prime is 4000004400047. The reversal of 4000004400044 is 4400044000004.

It is a junction number, because it is equal to n+sod(n) for n = 4000004399989 and 4000004400025.

It is not an unprimeable number, because it can be changed into a prime (4000004400043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4332992 + ... + 5174439.

It is an arithmetic number, because the mean of its divisors is an integer number (294692362272).

Almost surely, 2^{4000004400044} is an apocalyptic number.

It is an amenable number.

4000004400044 is a deficient number, since it is larger than the sum of its proper divisors (3072612294484).

4000004400044 is a wasteful number, since it uses less digits than its factorization.

4000004400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508525 (or 9508523 counting only the distinct ones).

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

Adding to 4000004400044 its reverse (4400044000004), we get a palindrome (8400048400048).

The spelling of 4000004400044 in words is "four trillion, four million, four hundred thousand, forty-four".