242140440430 has 32 divisors (see below), whose sum is σ = 498208527360. Its totient is φ = 83004404640.

The previous prime is 242140440413. The next prime is 242140440431. The reversal of 242140440430 is 34044041242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140440431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72945 + ... + 699715.

It is an arithmetic number, because the mean of its divisors is an integer number (15569016480).

Almost surely, 2^242140440430 is an apocalyptic number.

242140440430 is an abundant number, since it is smaller than the sum of its proper divisors (256068086930).

242140440430 is a wasteful number, since it uses less digits than its factorization.

242140440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632304.

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

Adding to 242140440430 its reverse (34044041242), we get a palindrome (276184481672).

The spelling of 242140440430 in words is "two hundred forty-two billion, one hundred forty million, four hundred forty thousand, four hundred thirty".