402212402268 has 12 divisors (see below), whose sum is σ = 938495605320. Its totient is φ = 134070800752.

The previous prime is 402212402213. The next prime is 402212402269. The reversal of 402212402268 is 862204212204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402212402269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16758850083 + ... + 16758850106.

It is an arithmetic number, because the mean of its divisors is an integer number (78207967110).

Almost surely, 2^402212402268 is an apocalyptic number.

It is an amenable number.

402212402268 is an abundant number, since it is smaller than the sum of its proper divisors (536283203052).

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

402212402268 is a wasteful number, since it uses less digits than its factorization.

402212402268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33517700196 (or 33517700194 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 402212402268 in words is "four hundred two billion, two hundred twelve million, four hundred two thousand, two hundred sixty-eight".