402343100422 has 16 divisors (see below), whose sum is σ = 614198168640. Its totient is φ = 197637459112.

The previous prime is 402343100363. The next prime is 402343100431. The reversal of 402343100422 is 224001343204.

It is a happy number.

It is a congruent number.

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, 6740548 + ... + 6799975.

It is an arithmetic number, because the mean of its divisors is an integer number (38387385540).

Almost surely, 2^402343100422 is an apocalyptic number.

402343100422 is a deficient number, since it is larger than the sum of its proper divisors (211855068218).

402343100422 is a wasteful number, since it uses less digits than its factorization.

402343100422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540787.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402343100422 its reverse (224001343204), we get a palindrome (626344443626).

The spelling of 402343100422 in words is "four hundred two billion, three hundred forty-three million, one hundred thousand, four hundred twenty-two".