243232242140 has 48 divisors (see below), whose sum is σ = 516639483360. Its totient is φ = 96182311680.

The previous prime is 243232242109. The next prime is 243232242157. The reversal of 243232242140 is 41242232342.

It is a congruent number.

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, 839810 + ... + 1091670.

It is an arithmetic number, because the mean of its divisors is an integer number (10763322570).

Almost surely, 2^243232242140 is an apocalyptic number.

243232242140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243232242140 is an abundant number, since it is smaller than the sum of its proper divisors (273407241220).

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

243232242140 is a wasteful number, since it uses less digits than its factorization.

243232242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252422 (or 252420 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243232242140 its reverse (41242232342), we get a palindrome (284474474482).

The spelling of 243232242140 in words is "two hundred forty-three billion, two hundred thirty-two million, two hundred forty-two thousand, one hundred forty".