242042342441 has 4 divisors (see below), whose sum is σ = 244262914500. Its totient is φ = 239821770384.

The previous prime is 242042342419. The next prime is 242042342449. The reversal of 242042342441 is 144243240242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200080868416 + 41961474025 = 447304^2 + 204845^2 .

It is a cyclic number.

It is not a de Polignac number, because 242042342441 - 2²² = 242038148137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242042342398 and 242042342407.

It is not an unprimeable number, because it can be changed into a prime (242042342449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110285866 + ... + 1110286083.

It is an arithmetic number, because the mean of its divisors is an integer number (61065728625).

Almost surely, 2^242042342441 is an apocalyptic number.

It is an amenable number.

242042342441 is a deficient number, since it is larger than the sum of its proper divisors (2220572059).

242042342441 is a wasteful number, since it uses less digits than its factorization.

242042342441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220572058.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 242042342441 its reverse (144243240242), we get a palindrome (386285582683).

The spelling of 242042342441 in words is "two hundred forty-two billion, forty-two million, three hundred forty-two thousand, four hundred forty-one".