42107789312 has 56 divisors (see below), whose sum is σ = 84458821176. Its totient is φ = 20991803392.

The previous prime is 42107789299. The next prime is 42107789389. The reversal of 42107789312 is 21398770124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835218 + ... + 2850030.

Almost surely, 2^42107789312 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 42107789312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42229410588).

42107789312 is an abundant number, since it is smaller than the sum of its proper divisors (42351031864).

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

42107789312 is an equidigital number, since it uses as much as digits as its factorization.

42107789312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15186 (or 15162 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 42107789312 in words is "forty-two billion, one hundred seven million, seven hundred eighty-nine thousand, three hundred twelve".