242238184878 has 16 divisors (see below), whose sum is σ = 484509949056. Its totient is φ = 80740465080.

The previous prime is 242238184861. The next prime is 242238184879. The reversal of 242238184878 is 878481832242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242238184879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304868 + ... + 1478903.

It is an arithmetic number, because the mean of its divisors is an integer number (30281871816).

Almost surely, 2^242238184878 is an apocalyptic number.

242238184878 is an abundant number, since it is smaller than the sum of its proper divisors (242271764178).

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

242238184878 is a wasteful number, since it uses less digits than its factorization.

242238184878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798279.

The product of its digits is 11010048, while the sum is 57.

The spelling of 242238184878 in words is "two hundred forty-two billion, two hundred thirty-eight million, one hundred eighty-four thousand, eight hundred seventy-eight".