242120545392 has 40 divisors (see below), whose sum is σ = 682339720320. Its totient is φ = 73369862080.

The previous prime is 242120545379. The next prime is 242120545393. The reversal of 242120545392 is 293545021242.

242120545392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 242120545392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242120545393) by changing a digit.

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, 229280292 + ... + 229281347.

It is an arithmetic number, because the mean of its divisors is an integer number (17058493008).

Almost surely, 2^242120545392 is an apocalyptic number.

242120545392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

242120545392 is an abundant number, since it is smaller than the sum of its proper divisors (440219174928).

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

242120545392 is a wasteful number, since it uses less digits than its factorization.

242120545392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458561661 (or 458561655 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 242120545392 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-five thousand, three hundred ninety-two".