243003040242 has 32 divisors (see below), whose sum is σ = 498047846208. Its totient is φ = 78999653376.

The previous prime is 243003040237. The next prime is 243003040253. The reversal of 243003040242 is 242040300342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526123 + ... + 873390.

It is an arithmetic number, because the mean of its divisors is an integer number (15563995194).

Almost surely, 2^243003040242 is an apocalyptic number.

243003040242 is an abundant number, since it is smaller than the sum of its proper divisors (255044805966).

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

243003040242 is a wasteful number, since it uses less digits than its factorization.

243003040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400234.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 243003040242 its reverse (242040300342), we get a palindrome (485043340584).

The spelling of 243003040242 in words is "two hundred forty-three billion, three million, forty thousand, two hundred forty-two".