242043311982 has 32 divisors (see below), whose sum is σ = 491352278400. Its totient is φ = 79470360288.

The previous prime is 242043311981. The next prime is 242043311989. The reversal of 242043311982 is 289113340242.

It is a self number, because there is not a number n which added to its sum of digits gives 242043311982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242043311981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8499744 + ... + 8528172.

It is an arithmetic number, because the mean of its divisors is an integer number (15354758700).

Almost surely, 2^242043311982 is an apocalyptic number.

242043311982 is an abundant number, since it is smaller than the sum of its proper divisors (249308966418).

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

242043311982 is a wasteful number, since it uses less digits than its factorization.

242043311982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49680.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 242043311982 in words is "two hundred forty-two billion, forty-three million, three hundred eleven thousand, nine hundred eighty-two".