42042040488 has 96 divisors (see below), whose sum is σ = 130161807360. Its totient is φ = 12009087360.

The previous prime is 42042040477. The next prime is 42042040489. The reversal of 42042040488 is 88404024024.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42042040489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2874073 + ... + 2888663.

It is an arithmetic number, because the mean of its divisors is an integer number (1355852160).

Almost surely, 2^42042040488 is an apocalyptic number.

It is an amenable number.

42042040488 is an abundant number, since it is smaller than the sum of its proper divisors (88119766872).

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

42042040488 is a wasteful number, since it uses less digits than its factorization.

42042040488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20327 (or 20320 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The spelling of 42042040488 in words is "forty-two billion, forty-two million, forty thousand, four hundred eighty-eight".