42665737712 has 20 divisors (see below), whose sum is σ = 89023703160. Its totient is φ = 19691878848.

The previous prime is 42665737711. The next prime is 42665737721. The reversal of 42665737712 is 21773756624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42665737711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102561662 + ... + 102562077.

It is an arithmetic number, because the mean of its divisors is an integer number (4451185158).

Almost surely, 2^42665737712 is an apocalyptic number.

It is an amenable number.

42665737712 is an abundant number, since it is smaller than the sum of its proper divisors (46357965448).

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

42665737712 is a wasteful number, since it uses less digits than its factorization.

42665737712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205123760 (or 205123754 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 50.

The spelling of 42665737712 in words is "forty-two billion, six hundred sixty-five million, seven hundred thirty-seven thousand, seven hundred twelve".