4004000420044 has 6 divisors (see below), whose sum is σ = 7007000735084. Its totient is φ = 2002000210020.

The previous prime is 4004000420027. The next prime is 4004000420081. The reversal of 4004000420044 is 4400240004004.

It is a junction number, because it is equal to n+sod(n) for n = 4004000419997 and 4004000420024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500052502 + ... + 500500052509.

Almost surely, 2^{4004000420044} is an apocalyptic number.

It is an amenable number.

4004000420044 is a deficient number, since it is larger than the sum of its proper divisors (3003000315040).

4004000420044 is a wasteful number, since it uses less digits than its factorization.

4004000420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001000105015 (or 1001000105013 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 4004000420044 its reverse (4400240004004), we get a palindrome (8404240424048).

The spelling of 4004000420044 in words is "four trillion, four billion, four hundred twenty thousand, forty-four".