42243943112 has 60 divisors (see below), whose sum is σ = 92465477595. Its totient is φ = 18092338992.

The previous prime is 42243943109. The next prime is 42243943123. The reversal of 42243943112 is 21134934224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 21121971556 + 21121971556 = 145334^2 + 145334^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=145334.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 28484723 + ... + 28486205.

Almost surely, 2^42243943112 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 42243943112

42243943112 is an abundant number, since it is smaller than the sum of its proper divisors (50221534483).

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

42243943112 is an frugal number, since it uses more digits than its factorization.

42243943112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 1492 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The spelling of 42243943112 in words is "forty-two billion, two hundred forty-three million, nine hundred forty-three thousand, one hundred twelve".