402200044312 has 128 divisors (see below), whose sum is σ = 886468976640. Its totient is φ = 169037383680.

The previous prime is 402200044307. The next prime is 402200044313. The reversal of 402200044312 is 213440002204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402200044313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38383618 + ... + 38394094.

It is an arithmetic number, because the mean of its divisors is an integer number (6925538880).

Almost surely, 2^402200044312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402200044312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443234488320).

402200044312 is an abundant number, since it is smaller than the sum of its proper divisors (484268932328).

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

402200044312 is a wasteful number, since it uses less digits than its factorization.

402200044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961 (or 10957 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 402200044312 its reverse (213440002204), we get a palindrome (615640046516).

The spelling of 402200044312 in words is "four hundred two billion, two hundred million, forty-four thousand, three hundred twelve".