242140439979 has 12 divisors (see below), whose sum is σ = 352311396216. Its totient is φ = 160248660192.

The previous prime is 242140439963. The next prime is 242140439993. The reversal of 242140439979 is 979934041242.

242140439979 is a `hidden beast` number, since 2 + 42 + 140 + 4 + 399 + 79 = 666.

242140439979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242140439979 - 2⁴ = 242140439963 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (242140439909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98190349 + ... + 98192814.

It is an arithmetic number, because the mean of its divisors is an integer number (29359283018).

Almost surely, 2^242140439979 is an apocalyptic number.

242140439979 is a deficient number, since it is larger than the sum of its proper divisors (110170956237).

242140439979 is a wasteful number, since it uses less digits than its factorization.

242140439979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196383306 (or 196383303 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 242140439979 in words is "two hundred forty-two billion, one hundred forty million, four hundred thirty-nine thousand, nine hundred seventy-nine".