198441498255 has 96 divisors (see below), whose sum is σ = 433915066368. Its totient is φ = 76125369600.

The previous prime is 198441498251. The next prime is 198441498301. The reversal of 198441498255 is 552894144891.

198441498255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198441498255 - 2² = 198441498251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198441498251) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 838911 + ... + 1049120.

It is an arithmetic number, because the mean of its divisors is an integer number (4519948608).

Almost surely, 2^198441498255 is an apocalyptic number.

198441498255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198441498255 is an abundant number, since it is smaller than the sum of its proper divisors (235473568113).

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

198441498255 is a wasteful number, since it uses less digits than its factorization.

198441498255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888077 (or 1888070 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

It can be divided in two parts, 198441 and 498255, that added together give a palindrome (696696).

The spelling of 198441498255 in words is "one hundred ninety-eight billion, four hundred forty-one million, four hundred ninety-eight thousand, two hundred fifty-five".