404220200 has 48 divisors (see below), whose sum is σ = 950413500. Its totient is φ = 159864320.

The previous prime is 404220161. The next prime is 404220211. The reversal of 404220200 is 2022404.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5579044 + 398641156 = 2362^2 + 19966^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6446 + ... + 29154.

Almost surely, 2^404220200 is an apocalyptic number.

404220200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475206750).

404220200 is an abundant number, since it is smaller than the sum of its proper divisors (546193300).

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

404220200 is a wasteful number, since it uses less digits than its factorization.

404220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22814 (or 22805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 404220200 is about 20105.2281757756. The cubic root of 404220200 is about 739.3884648183.

Adding to 404220200 its reverse (2022404), we get a palindrome (406242604).

It can be divided in two parts, 4042 and 20200, that added together give a palindrome (24242).

The spelling of 404220200 in words is "four hundred four million, two hundred twenty thousand, two hundred".