404643346404 has 48 divisors (see below), whose sum is σ = 1043039262720. Its totient is φ = 121067051040.

The previous prime is 404643346397. The next prime is 404643346451.

404643346404 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19391344 + ... + 19412199.

It is an arithmetic number, because the mean of its divisors is an integer number (21729984640).

Almost surely, 2^404643346404 is an apocalyptic number.

404643346404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404643346404 is an abundant number, since it is smaller than the sum of its proper divisors (638395916316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404643346404 is a wasteful number, since it uses less digits than its factorization.

404643346404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38803640 (or 38803638 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 42.

The spelling of 404643346404 in words is "four hundred four billion, six hundred forty-three million, three hundred forty-six thousand, four hundred four".