242140242 has 16 divisors (see below), whose sum is σ = 488567520. Its totient is φ = 79998912.

The previous prime is 242140201. The next prime is 242140271. The reversal of 242140242 is 242041242.

242140242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177892 + ... + 179247.

It is an arithmetic number, because the mean of its divisors is an integer number (30535470).

Almost surely, 2^242140242 is an apocalyptic number.

242140242 is an abundant number, since it is smaller than the sum of its proper divisors (246427278).

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

242140242 is a wasteful number, since it uses less digits than its factorization.

242140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357257.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 242140242 is about 15560.8560818485. The cubic root of 242140242 is about 623.2883230453.

Adding to 242140242 its reverse (242041242), we get a palindrome (484181484).

The spelling of 242140242 in words is "two hundred forty-two million, one hundred forty thousand, two hundred forty-two".