242587911872 has 28 divisors (see below), whose sum is σ = 496913952576. Its totient is φ = 117381246720.

The previous prime is 242587911869. The next prime is 242587911877. The reversal of 242587911872 is 278119785242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242587911877) 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, 61134083 + ... + 61138050.

Almost surely, 2^242587911872 is an apocalyptic number.

It is an amenable number.

242587911872 is an abundant number, since it is smaller than the sum of its proper divisors (254326040704).

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

242587911872 is a wasteful number, since it uses less digits than its factorization.

242587911872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122272176 (or 122272166 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 56.

The spelling of 242587911872 in words is "two hundred forty-two billion, five hundred eighty-seven million, nine hundred eleven thousand, eight hundred seventy-two".