42518979392 has 28 divisors (see below), whose sum is σ = 86168788800. Its totient is φ = 20807158656.

The previous prime is 42518979383. The next prime is 42518979397. The reversal of 42518979392 is 29397981524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42518979397) 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, 7064642 + ... + 7070657.

Almost surely, 2^42518979392 is an apocalyptic number.

It is an amenable number.

42518979392 is an abundant number, since it is smaller than the sum of its proper divisors (43649809408).

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

42518979392 is a wasteful number, since it uses less digits than its factorization.

42518979392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135358 (or 14135348 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 59.

The spelling of 42518979392 in words is "forty-two billion, five hundred eighteen million, nine hundred seventy-nine thousand, three hundred ninety-two".