242503305242 has 16 divisors (see below), whose sum is σ = 406502216064. Its totient is φ = 107540268000.

The previous prime is 242503305217. The next prime is 242503305299.

242503305242 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 242503305199 and 242503305208.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 134424434 + ... + 134426237.

It is an arithmetic number, because the mean of its divisors is an integer number (25406388504).

Almost surely, 2^242503305242 is an apocalyptic number.

242503305242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242503305242 is a deficient number, since it is larger than the sum of its proper divisors (163998910822).

242503305242 is a wasteful number, since it uses less digits than its factorization.

242503305242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268850725.

The product of its (nonzero) digits is 57600, while the sum is 32.

It can be divided in two parts, 242503 and 305242, that added together give a palindrome (547745).

The spelling of 242503305242 in words is "two hundred forty-two billion, five hundred three million, three hundred five thousand, two hundred forty-two".