243443224140140 has 12 divisors (see below), whose sum is σ = 511230770694336. Its totient is φ = 97377289656048.

The previous prime is 243443224140133. The next prime is 243443224140187. The reversal of 243443224140140 is 41041422344342.

It is a junction number, because it is equal to n+sod(n) for n = 243443224140094 and 243443224140103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086080603484 + ... + 6086080603523.

It is an arithmetic number, because the mean of its divisors is an integer number (42602564224528).

Almost surely, 2^{243443224140140} is an apocalyptic number.

243443224140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243443224140140 is an abundant number, since it is smaller than the sum of its proper divisors (267787546554196).

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

243443224140140 is a wasteful number, since it uses less digits than its factorization.

243443224140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172161207016 (or 12172161207014 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 243443224140140 its reverse (41041422344342), we get a palindrome (284484646484482).

The spelling of 243443224140140 in words is "two hundred forty-three trillion, four hundred forty-three billion, two hundred twenty-four million, one hundred forty thousand, one hundred forty".