243440241132 has 24 divisors (see below), whose sum is σ = 619666068672. Its totient is φ = 73769770000.

The previous prime is 243440241127. The next prime is 243440241139. The reversal of 243440241132 is 231142044342.

It is a self number, because there is not a number n which added to its sum of digits gives 243440241132.

It is not an unprimeable number, because it can be changed into a prime (243440241139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922121994 + ... + 922122257.

It is an arithmetic number, because the mean of its divisors is an integer number (25819419528).

Almost surely, 2^243440241132 is an apocalyptic number.

243440241132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243440241132 is an abundant number, since it is smaller than the sum of its proper divisors (376225827540).

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

243440241132 is a wasteful number, since it uses less digits than its factorization.

243440241132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844244269 (or 1844244267 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243440241132 its reverse (231142044342), we get a palindrome (474582285474).

The spelling of 243440241132 in words is "two hundred forty-three billion, four hundred forty million, two hundred forty-one thousand, one hundred thirty-two".