199244544 has 72 divisors (see below), whose sum is σ = 539100912. Its totient is φ = 65310720.

The previous prime is 199244503. The next prime is 199244599. The reversal of 199244544 is 445442991.

199244544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 199244496 and 199244505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44722 + ... + 48974.

Almost surely, 2^199244544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199244544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269550456).

199244544 is an abundant number, since it is smaller than the sum of its proper divisors (339856368).

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

199244544 is an equidigital number, since it uses as much as digits as its factorization.

199244544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333 (or 4319 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 199244544 is about 14115.4009507346. The cubic root of 199244544 is about 584.0662963456.

The spelling of 199244544 in words is "one hundred ninety-nine million, two hundred forty-four thousand, five hundred forty-four".