404021120200 has 24 divisors (see below), whose sum is σ = 939349104930. Its totient is φ = 161608448000.

The previous prime is 404021120197. The next prime is 404021120219. The reversal of 404021120200 is 2021120404.

It can be written as a sum of positive squares in 3 ways, for example, as 357874347076 + 46146773124 = 598226^2 + 214818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1010052601 + ... + 1010053000.

Almost surely, 2^404021120200 is an apocalyptic number.

404021120200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404021120200 is an abundant number, since it is smaller than the sum of its proper divisors (535327984730).

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

404021120200 is a wasteful number, since it uses less digits than its factorization.

404021120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020105617 (or 2020105608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 404021120200 its reverse (2021120404), we get a palindrome (406042240604).

The spelling of 404021120200 in words is "four hundred four billion, twenty-one million, one hundred twenty thousand, two hundred".