842742110322 has 54 divisors (see below), whose sum is σ = 2124122811759. Its totient is φ = 240775670520.

The previous prime is 842742110303. The next prime is 842742110363. The reversal of 842742110322 is 223011247248.

It can be written as a sum of positive squares in only one way, i.e., 421371055161 + 421371055161 = 649131^2 + 649131^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=649131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27248047 + ... + 27278957.

Almost surely, 2^842742110322 is an apocalyptic number.

842742110322 is an abundant number, since it is smaller than the sum of its proper divisors (1281380701437).

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

842742110322 is an frugal number, since it uses more digits than its factorization.

842742110322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61844 (or 30923 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 842742110322 in words is "eight hundred forty-two billion, seven hundred forty-two million, one hundred ten thousand, three hundred twenty-two".