242140440403 has 4 divisors (see below), whose sum is σ = 244537870608. Its totient is φ = 239743010200.

The previous prime is 242140440401. The next prime is 242140440413. The reversal of 242140440403 is 304044041242.

242140440403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 242140440403 - 2¹ = 242140440401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242140440401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1198714951 + ... + 1198715152.

It is an arithmetic number, because the mean of its divisors is an integer number (61134467652).

Almost surely, 2^242140440403 is an apocalyptic number.

242140440403 is a deficient number, since it is larger than the sum of its proper divisors (2397430205).

242140440403 is a wasteful number, since it uses less digits than its factorization.

242140440403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397430204.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 242140440403 its reverse (304044041242), we get a palindrome (546184481645).

The spelling of 242140440403 in words is "two hundred forty-two billion, one hundred forty million, four hundred forty thousand, four hundred three".