404123321404 has 48 divisors (see below), whose sum is σ = 779317862400. Its totient is φ = 181833768000.

The previous prime is 404123321359. The next prime is 404123321417.

404123321404 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31274857 + ... + 31287775.

It is an arithmetic number, because the mean of its divisors is an integer number (16235788800).

Almost surely, 2^404123321404 is an apocalyptic number.

404123321404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404123321404 is a deficient number, since it is larger than the sum of its proper divisors (375194540996).

404123321404 is a wasteful number, since it uses less digits than its factorization.

404123321404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074 (or 20072 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 404123 and 321404, that added together give a palindrome (725527).

The spelling of 404123321404 in words is "four hundred four billion, one hundred twenty-three million, three hundred twenty-one thousand, four hundred four".