242142312140 has 24 divisors (see below), whose sum is σ = 538410553632. Its totient is φ = 91159458560.

The previous prime is 242142312131. The next prime is 242142312143. The reversal of 242142312140 is 41213241242.

242142312140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (242142312143) 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 7 ways as a sum of consecutive naturals, for example, 356091296 + ... + 356091975.

It is an arithmetic number, because the mean of its divisors is an integer number (22433773068).

Almost surely, 2^242142312140 is an apocalyptic number.

242142312140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242142312140 is an abundant number, since it is smaller than the sum of its proper divisors (296268241492).

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

242142312140 is a wasteful number, since it uses less digits than its factorization.

242142312140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712183297 (or 712183295 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 242142312140 its reverse (41213241242), we get a palindrome (283355553382).

The spelling of 242142312140 in words is "two hundred forty-two billion, one hundred forty-two million, three hundred twelve thousand, one hundred forty".