242255405555 has 16 divisors (see below), whose sum is σ = 294544137888. Its totient is φ = 191262240000.

The previous prime is 242255405533. The next prime is 242255405597. The reversal of 242255405555 is 555504552242.

242255405555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242255405555 - 2²⁰ = 242254356979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903146 + ... + 1140255.

It is an arithmetic number, because the mean of its divisors is an integer number (18409008618).

Almost surely, 2^242255405555 is an apocalyptic number.

242255405555 is a deficient number, since it is larger than the sum of its proper divisors (52288732333).

242255405555 is a wasteful number, since it uses less digits than its factorization.

242255405555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043718.

The product of its (nonzero) digits is 2000000, while the sum is 44.

Adding to 242255405555 its reverse (555504552242), we get a palindrome (797759957797).

The spelling of 242255405555 in words is "two hundred forty-two billion, two hundred fifty-five million, four hundred five thousand, five hundred fifty-five".