400420200202 has 16 divisors (see below), whose sum is σ = 655280785152. Its totient is φ = 181995923520.

The previous prime is 400420200179. The next prime is 400420200223. The reversal of 400420200202 is 202002024004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350778 + ... + 961189.

It is an arithmetic number, because the mean of its divisors is an integer number (40955049072).

Almost surely, 2^400420200202 is an apocalyptic number.

400420200202 is a deficient number, since it is larger than the sum of its proper divisors (254860584950).

400420200202 is a wasteful number, since it uses less digits than its factorization.

400420200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325853.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 400420200202 its reverse (202002024004), we get a palindrome (602422224206).

The spelling of 400420200202 in words is "four hundred billion, four hundred twenty million, two hundred thousand, two hundred two".