404131232120 has 128 divisors (see below), whose sum is σ = 1161317606400. Its totient is φ = 122890675200.

The previous prime is 404131232119. The next prime is 404131232177. The reversal of 404131232120 is 21232131404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1473860 + ... + 1726419.

It is an arithmetic number, because the mean of its divisors is an integer number (9072793800).

Almost surely, 2^404131232120 is an apocalyptic number.

404131232120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404131232120 is an abundant number, since it is smaller than the sum of its proper divisors (757186374280).

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

404131232120 is a wasteful number, since it uses less digits than its factorization.

404131232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200349 (or 3200345 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 404131232120 its reverse (21232131404), we get a palindrome (425363363524).

The spelling of 404131232120 in words is "four hundred four billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty".