404011331320 has 32 divisors (see below), whose sum is σ = 956868944400. Its totient is φ = 153099030528.

The previous prime is 404011331261. The next prime is 404011331363. The reversal of 404011331320 is 23133110404.

It is a junction number, because it is equal to n+sod(n) for n = 404011331291 and 404011331300.

It is a congruent number.

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, 265796169 + ... + 265797688.

Almost surely, 2^404011331320 is an apocalyptic number.

404011331320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404011331320 is an abundant number, since it is smaller than the sum of its proper divisors (552857613080).

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

404011331320 is a wasteful number, since it uses less digits than its factorization.

404011331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531593887 (or 531593883 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 404011331320 its reverse (23133110404), we get a palindrome (427144441724).

The spelling of 404011331320 in words is "four hundred four billion, eleven million, three hundred thirty-one thousand, three hundred twenty".