189802444244 has 12 divisors (see below), whose sum is σ = 379604888544. Its totient is φ = 81343904664.

The previous prime is 189802444243. The next prime is 189802444253. The reversal of 189802444244 is 442444208981.

189802444244 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

189802444244 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 189802444192 and 189802444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189802444243) 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 3 ways as a sum of consecutive naturals, for example, 3389329334 + ... + 3389329389.

It is an arithmetic number, because the mean of its divisors is an integer number (31633740712).

Almost surely, 2^189802444244 is an apocalyptic number.

189802444244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189802444244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189802444244 is a wasteful number, since it uses less digits than its factorization.

189802444244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778658734 (or 6778658732 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 189802444244 in words is "one hundred eighty-nine billion, eight hundred two million, four hundred forty-four thousand, two hundred forty-four".