402204022112 has 48 divisors (see below), whose sum is σ = 814475859120. Its totient is φ = 195369527808.

The previous prime is 402204022111. The next prime is 402204022133. The reversal of 402204022112 is 211220402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402204022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522518 + ... + 1037994.

It is an arithmetic number, because the mean of its divisors is an integer number (16968247065).

Almost surely, 2^402204022112 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 402204022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407237929560).

402204022112 is an abundant number, since it is smaller than the sum of its proper divisors (412271837008).

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

402204022112 is a wasteful number, since it uses less digits than its factorization.

402204022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516183 (or 516175 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 402204022112 its reverse (211220402204), we get a palindrome (613424424316).

The spelling of 402204022112 in words is "four hundred two billion, two hundred four million, twenty-two thousand, one hundred twelve".