42217872216 has 128 divisors (see below), whose sum is σ = 120534220800. Its totient is φ = 12207237120.

The previous prime is 42217872211. The next prime is 42217872283. The reversal of 42217872216 is 61227871224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42217872211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3659305 + ... + 3670823.

It is an arithmetic number, because the mean of its divisors is an integer number (941673600).

Almost surely, 2^42217872216 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 42217872216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60267110400).

42217872216 is an abundant number, since it is smaller than the sum of its proper divisors (78316348584).

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

42217872216 is a wasteful number, since it uses less digits than its factorization.

42217872216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249 (or 12245 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The spelling of 42217872216 in words is "forty-two billion, two hundred seventeen million, eight hundred seventy-two thousand, two hundred sixteen".