243404003244220 has 192 divisors, whose sum is σ = 658639996600320. Its totient is φ = 73480922145792.

The previous prime is 243404003244173. The next prime is 243404003244293. The reversal of 243404003244220 is 22442300404342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23400412 + ... + 32161891.

It is an arithmetic number, because the mean of its divisors is an integer number (3430416648960).

Almost surely, 2^{243404003244220} is an apocalyptic number.

243404003244220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243404003244220 is an abundant number, since it is smaller than the sum of its proper divisors (415235993356100).

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

243404003244220 is a wasteful number, since it uses less digits than its factorization.

243404003244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55562444 (or 55562442 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 243404003244220 its reverse (22442300404342), we get a palindrome (265846303648562).

The spelling of 243404003244220 in words is "two hundred forty-three trillion, four hundred four billion, three million, two hundred forty-four thousand, two hundred twenty".