243044020255 has 8 divisors (see below), whose sum is σ = 291770583552. Its totient is φ = 194356710048.

The previous prime is 243044020237. The next prime is 243044020301. The reversal of 243044020255 is 552020440342.

243044020255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243044020255 - 2¹¹ = 243044018207 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9799647 + ... + 9824416.

It is an arithmetic number, because the mean of its divisors is an integer number (36471322944).

Almost surely, 2^243044020255 is an apocalyptic number.

243044020255 is a deficient number, since it is larger than the sum of its proper divisors (48726563297).

243044020255 is a wasteful number, since it uses less digits than its factorization.

243044020255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19626545.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 243044020255 its reverse (552020440342), we get a palindrome (795064460597).

The spelling of 243044020255 in words is "two hundred forty-three billion, forty-four million, twenty thousand, two hundred fifty-five".