402404212111422 has 8 divisors (see below), whose sum is σ = 804808424222856. Its totient is φ = 134134737370472.

The previous prime is 402404212111399. The next prime is 402404212111459. The reversal of 402404212111422 is 224111212404204.

It is a sphenic number, since it is the product of 3 distinct primes.

402404212111422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 402404212111422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33533684342613 + ... + 33533684342624.

It is an arithmetic number, because the mean of its divisors is an integer number (100601053027857).

Almost surely, 2^{402404212111422} is an apocalyptic number.

402404212111422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402404212111422 is a wasteful number, since it uses less digits than its factorization.

402404212111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67067368685242.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 402404212111422 its reverse (224111212404204), we get a palindrome (626515424515626).

The spelling of 402404212111422 in words is "four hundred two trillion, four hundred four billion, two hundred twelve million, one hundred eleven thousand, four hundred twenty-two".