42055122216 has 128 divisors (see below), whose sum is σ = 108350161920. Its totient is φ = 13597169664.

The previous prime is 42055122211. The next prime is 42055122247. The reversal of 42055122216 is 61222155024.

42055122216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42055122211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49072060 + ... + 49072916.

It is an arithmetic number, because the mean of its divisors is an integer number (846485640).

Almost surely, 2^42055122216 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 42055122216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54175080960).

42055122216 is an abundant number, since it is smaller than the sum of its proper divisors (66295039704).

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

42055122216 is a wasteful number, since it uses less digits than its factorization.

42055122216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 42055122216 in words is "forty-two billion, fifty-five million, one hundred twenty-two thousand, two hundred sixteen".