242843167872 has 72 divisors (see below), whose sum is σ = 698854645515. Its totient is φ = 80942147328.

The previous prime is 242843167871. The next prime is 242843167883. The reversal of 242843167872 is 278761348242.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

242843167872 is a `hidden beast` number, since 242 + 8 + 4 + 316 + 7 + 87 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121421583936 + 121421583936 = 348456^2 + 348456^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=348456.

It is not an unprimeable number, because it can be changed into a prime (242843167871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16718629 + ... + 16733147.

Almost surely, 2^242843167872 is an apocalyptic number.

It is an amenable number.

242843167872 is an abundant number, since it is smaller than the sum of its proper divisors (456011477643).

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

242843167872 is an frugal number, since it uses more digits than its factorization.

242843167872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29058 (or 14524 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 242843167872 in words is "two hundred forty-two billion, eight hundred forty-three million, one hundred sixty-seven thousand, eight hundred seventy-two".