243045240000 has 140 divisors (see below), whose sum is σ = 803564670744. Its totient is φ = 64812032000.

The previous prime is 243045239989. The next prime is 243045240001. The reversal of 243045240000 is 42540342.

243045240000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (243045240001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 892689 + ... + 1132688.

Almost surely, 2^243045240000 is an apocalyptic number.

243045240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243045240000 is an abundant number, since it is smaller than the sum of its proper divisors (560519430744).

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

243045240000 is an equidigital number, since it uses as much as digits as its factorization.

243045240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025412 (or 2025387 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 243045240000 its reverse (42540342), we get a palindrome (243087780342).

The spelling of 243045240000 in words is "two hundred forty-three billion, forty-five million, two hundred forty thousand".