242724886524858 has 16 divisors (see below), whose sum is σ = 492099769941696. Its totient is φ = 79799962692960.

The previous prime is 242724886524851. The next prime is 242724886524877. The reversal of 242724886524858 is 858425688427242.

It is a self number, because there is not a number n which added to its sum of digits gives 242724886524858.

It is not an unprimeable number, because it can be changed into a prime (242724886524851) 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, 277083203358 + ... + 277083204233.

It is an arithmetic number, because the mean of its divisors is an integer number (30756235621356).

Almost surely, 2^{242724886524858} is an apocalyptic number.

242724886524858 is an abundant number, since it is smaller than the sum of its proper divisors (249374883416838).

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

242724886524858 is a wasteful number, since it uses less digits than its factorization.

242724886524858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554166407669.

The product of its digits is 4404019200, while the sum is 75.

The spelling of 242724886524858 in words is "two hundred forty-two trillion, seven hundred twenty-four billion, eight hundred eighty-six million, five hundred twenty-four thousand, eight hundred fifty-eight".