255440342104244 has 12 divisors (see below), whose sum is σ = 487658834926368. Its totient is φ = 116109246411000.

The previous prime is 255440342104183. The next prime is 255440342104261. The reversal of 255440342104244 is 442401243044552.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 5805462320551 = 255440342104244 / (2 + 5 + 5 + 4 + 4 + 0 + 3 + 4 + 2 + 1 + 0 + 4 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 255440342104195 and 255440342104204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902731160232 + ... + 2902731160319.

It is an arithmetic number, because the mean of its divisors is an integer number (40638236243864).

Almost surely, 2^{255440342104244} is an apocalyptic number.

It is an amenable number.

255440342104244 is a deficient number, since it is larger than the sum of its proper divisors (232218492822124).

255440342104244 is a wasteful number, since it uses less digits than its factorization.

255440342104244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805462320566 (or 5805462320564 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 44.

Adding to 255440342104244 its reverse (442401243044552), we get a palindrome (697841585148796).

The spelling of 255440342104244 in words is "two hundred fifty-five trillion, four hundred forty billion, three hundred forty-two million, one hundred four thousand, two hundred forty-four".