4000004000044 has 24 divisors (see below), whose sum is σ = 7538850053280. Its totient is φ = 1846062392064.

The previous prime is 4000004000017. The next prime is 4000004000063. The reversal of 4000004000044 is 4400004000004.

It is a junction number, because it is equal to n+sod(n) for n = 4000003999991 and 4000004000027.

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 7 ways as a sum of consecutive naturals, for example, 899584 + ... + 2968039.

It is an arithmetic number, because the mean of its divisors is an integer number (314118752220).

Almost surely, 2^{4000004000044} is an apocalyptic number.

It is an amenable number.

4000004000044 is a deficient number, since it is larger than the sum of its proper divisors (3538846053236).

4000004000044 is a wasteful number, since it uses less digits than its factorization.

4000004000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887529 (or 3887527 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 4000004000044 its reverse (4400004000004), we get a palindrome (8400008000048).

It can be divided in two parts, 400000 and 4000044, that added together give a palindrome (4400044).

The spelling of 4000004000044 in words is "four trillion, four million, forty-four", and thus it is an aban number and an eban number.