243432244140 has 96 divisors (see below), whose sum is σ = 700456813056. Its totient is φ = 63133324800.

The previous prime is 243432244079. The next prime is 243432244171. The reversal of 243432244140 is 41442234342.

243432244140 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 398665 + ... + 803615.

It is an arithmetic number, because the mean of its divisors is an integer number (7296425136).

Almost surely, 2^243432244140 is an apocalyptic number.

243432244140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243432244140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350228406528).

243432244140 is an abundant number, since it is smaller than the sum of its proper divisors (457024568916).

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

243432244140 is a wasteful number, since it uses less digits than its factorization.

243432244140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405239 (or 405237 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 243432244140 its reverse (41442234342), we get a palindrome (284874478482).

The spelling of 243432244140 in words is "two hundred forty-three billion, four hundred thirty-two million, two hundred forty-four thousand, one hundred forty".