404304011320 has 32 divisors (see below), whose sum is σ = 992382574320. Its totient is φ = 147019640320.

The previous prime is 404304011303. The next prime is 404304011381. The reversal of 404304011320 is 23110403404.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 404304011291 and 404304011300.

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, 459435937 + ... + 459436816.

Almost surely, 2^404304011320 is an apocalyptic number.

404304011320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404304011320 is an abundant number, since it is smaller than the sum of its proper divisors (588078563000).

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

404304011320 is a wasteful number, since it uses less digits than its factorization.

404304011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918872775 (or 918872771 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 404304011320 its reverse (23110403404), we get a palindrome (427414414724).

The spelling of 404304011320 in words is "four hundred four billion, three hundred four million, eleven thousand, three hundred twenty".