242078561298 has 54 divisors (see below), whose sum is σ = 610173612711. Its totient is φ = 69161128344.

The previous prime is 242078561293. The next prime is 242078561311. The reversal of 242078561298 is 892165870242.

242078561298 is a `hidden beast` number, since 2 + 4 + 2 + 0 + 78 + 561 + 2 + 9 + 8 = 666.

242078561298 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121039280649 + 121039280649 = 347907^2 + 347907^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=347907.

It is a super-3 number, since 3×242078561298³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (242078561293) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14603811 + ... + 14620377.

Almost surely, 2^242078561298 is an apocalyptic number.

242078561298 is an abundant number, since it is smaller than the sum of its proper divisors (368095051413).

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

242078561298 is an frugal number, since it uses more digits than its factorization.

242078561298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33156 (or 16579 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 242078561298 in words is "two hundred forty-two billion, seventy-eight million, five hundred sixty-one thousand, two hundred ninety-eight".