42718215912 has 128 divisors (see below), whose sum is σ = 113721840000. Its totient is φ = 13346436096.

The previous prime is 42718215901. The next prime is 42718215937. The reversal of 42718215912 is 21951281724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13106139 + ... + 13109397.

It is an arithmetic number, because the mean of its divisors is an integer number (888451875).

Almost surely, 2^42718215912 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 42718215912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56860920000).

42718215912 is an abundant number, since it is smaller than the sum of its proper divisors (71003624088).

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

42718215912 is a wasteful number, since it uses less digits than its factorization.

42718215912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843 (or 3839 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The spelling of 42718215912 in words is "forty-two billion, seven hundred eighteen million, two hundred fifteen thousand, nine hundred twelve".