242140606452 has 36 divisors (see below), whose sum is σ = 612305680896. Its totient is φ = 80683464720.

The previous prime is 242140606441. The next prime is 242140606453. The reversal of 242140606452 is 254606041242.

242140606452 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 4 + 0 + 6 + 0 + 645 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140606453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1154874 + ... + 1348337.

It is an arithmetic number, because the mean of its divisors is an integer number (17008491136).

Almost surely, 2^242140606452 is an apocalyptic number.

It is an amenable number.

242140606452 is an abundant number, since it is smaller than the sum of its proper divisors (370165074444).

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

242140606452 is a wasteful number, since it uses less digits than its factorization.

242140606452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505908 (or 2505903 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 242140606452 its reverse (254606041242), we get a palindrome (496746647694).

The spelling of 242140606452 in words is "two hundred forty-two billion, one hundred forty million, six hundred six thousand, four hundred fifty-two".