404300220320 has 48 divisors (see below), whose sum is σ = 955955028168. Its totient is φ = 161585356800.

The previous prime is 404300220307. The next prime is 404300220329. The reversal of 404300220320 is 23022003404.

It can be written as a sum of positive squares in 4 ways, for example, as 91680572944 + 312619647376 = 302788^2 + 559124^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 404300220292 and 404300220301.

It is not an unprimeable number, because it can be changed into a prime (404300220329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859829 + ... + 1244148.

Almost surely, 2^404300220320 is an apocalyptic number.

404300220320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404300220320 is an abundant number, since it is smaller than the sum of its proper divisors (551654807848).

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

404300220320 is a wasteful number, since it uses less digits than its factorization.

404300220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105193 (or 2105185 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 404300220320 its reverse (23022003404), we get a palindrome (427322223724).

The spelling of 404300220320 in words is "four hundred four billion, three hundred million, two hundred twenty thousand, three hundred twenty".