402200404144 has 40 divisors (see below), whose sum is σ = 971549031168. Its totient is φ = 156701455680.

The previous prime is 402200404087. The next prime is 402200404157. The reversal of 402200404144 is 441404002204.

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, 163229452 + ... + 163231915.

Almost surely, 2^402200404144 is an apocalyptic number.

402200404144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402200404144 is an abundant number, since it is smaller than the sum of its proper divisors (569348627024).

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

402200404144 is a wasteful number, since it uses less digits than its factorization.

402200404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326461393 (or 326461387 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 402200404144 its reverse (441404002204), we get a palindrome (843604406348).

The spelling of 402200404144 in words is "four hundred two billion, two hundred million, four hundred four thousand, one hundred forty-four".