404004000004 has 24 divisors (see below), whose sum is σ = 778916811456. Its totient is φ = 181819980000.

The previous prime is 404003999963. The next prime is 404004000011. The reversal of 404004000004 is 400000400404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45450552 + ... + 45459439.

It is an arithmetic number, because the mean of its divisors is an integer number (32454867144).

Almost surely, 2^404004000004 is an apocalyptic number.

404004000004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404004000004 is a deficient number, since it is larger than the sum of its proper divisors (374912811452).

404004000004 is a wasteful number, since it uses less digits than its factorization.

404004000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90910107 (or 90910105 counting only the distinct ones).

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

Adding to 404004000004 its reverse (400000400404), we get a palindrome (804004400408).

It can be divided in two parts, 40400 and 4000004, that added together give a palindrome (4040404).

The spelling of 404004000004 in words is "four hundred four billion, four million, four", and thus it is an aban number.