404331013404 has 36 divisors (see below), whose sum is σ = 1025091797184. Its totient is φ = 134377068672.

The previous prime is 404331013391. The next prime is 404331013423. The reversal of 404331013404 is 404310133404.

404331013404 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 310 + 1 + 340 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16651692 + ... + 16675955.

It is an arithmetic number, because the mean of its divisors is an integer number (28474772144).

Almost surely, 2^404331013404 is an apocalyptic number.

It is an amenable number.

404331013404 is an abundant number, since it is smaller than the sum of its proper divisors (620760783780).

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

404331013404 is a wasteful number, since it uses less digits than its factorization.

404331013404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33327994 (or 33327989 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 404331013404 its reverse (404310133404), we get a palindrome (808641146808).

The spelling of 404331013404 in words is "four hundred four billion, three hundred thirty-one million, thirteen thousand, four hundred four".