4000404004 has 12 divisors (see below), whose sum is σ = 7002785664. Its totient is φ = 1999608104.

The previous prime is 4000403983. The next prime is 4000404019. The reversal of 4000404004 is 4004040004.

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, 133144 + ... + 160399.

It is an arithmetic number, because the mean of its divisors is an integer number (583565472).

Almost surely, 2^4000404004 is an apocalyptic number.

It is an amenable number.

4000404004 is a deficient number, since it is larger than the sum of its proper divisors (3002381660).

4000404004 is a wasteful number, since it uses less digits than its factorization.

4000404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296954 (or 296952 counting only the distinct ones).

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

The square root of 4000404004 is about 63248.7470547836. The cubic root of 4000404004 is about 1587.4544932003.

Adding to 4000404004 its reverse (4004040004), we get a palindrome (8004444008).

The spelling of 4000404004 in words is "four billion, four hundred four thousand, four".