243013210540 has 12 divisors (see below), whose sum is σ = 510327742176. Its totient is φ = 97205284208.

The previous prime is 243013210523. The next prime is 243013210543. The reversal of 243013210540 is 45012310342.

243013210540 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 (243013210543) 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 3 ways as a sum of consecutive naturals, for example, 6075330244 + ... + 6075330283.

It is an arithmetic number, because the mean of its divisors is an integer number (42527311848).

Almost surely, 2^243013210540 is an apocalyptic number.

243013210540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243013210540 is an abundant number, since it is smaller than the sum of its proper divisors (267314531636).

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

243013210540 is a wasteful number, since it uses less digits than its factorization.

243013210540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150660536 (or 12150660534 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 243013210540 its reverse (45012310342), we get a palindrome (288025520882).

The spelling of 243013210540 in words is "two hundred forty-three billion, thirteen million, two hundred ten thousand, five hundred forty".