4004000040044 has 12 divisors (see below), whose sum is σ = 7007911662864. Its totient is φ = 2001739564944.

The previous prime is 4004000039999. The next prime is 4004000040067. The reversal of 4004000040044 is 4400400004004.

It is a junction number, because it is equal to n+sod(n) for n = 4004000039998 and 4004000040025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65079179 + ... + 65140674.

It is an arithmetic number, because the mean of its divisors is an integer number (583992638572).

Almost surely, 2^{4004000040044} is an apocalyptic number.

It is an amenable number.

4004000040044 is a deficient number, since it is larger than the sum of its proper divisors (3003911622820).

4004000040044 is a wasteful number, since it uses less digits than its factorization.

4004000040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130227544 (or 130227542 counting only the distinct ones).

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

Adding to 4004000040044 its reverse (4400400004004), we get a palindrome (8404400044048).

The spelling of 4004000040044 in words is "four trillion, four billion, forty thousand, forty-four", and thus it is an eban number.