402322343022144 has 168 divisors, whose sum is σ = 1155894388740000. Its totient is φ = 133792362676224.

The previous prime is 402322343022109. The next prime is 402322343022227. The reversal of 402322343022144 is 441220343223204.

402322343022144 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 2 + 2 + 3 + 430 + 2 + 214 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 402322343022099 and 402322343022108.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2208299247 + ... + 2208481425.

It is an arithmetic number, because the mean of its divisors is an integer number (6880323742500).

Almost surely, 2^{402322343022144} 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 402322343022144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577947194370000).

402322343022144 is an abundant number, since it is smaller than the sum of its proper divisors (753572045717856).

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

402322343022144 is a wasteful number, since it uses less digits than its factorization.

402322343022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191185 (or 191172 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 402322343022144 its reverse (441220343223204), we get a palindrome (843542686245348).

The spelling of 402322343022144 in words is "four hundred two trillion, three hundred twenty-two billion, three hundred forty-three million, twenty-two thousand, one hundred forty-four".