199880448 has 72 divisors (see below), whose sum is σ = 534734928. Its totient is φ = 66281472.

The previous prime is 199880413. The next prime is 199880477. The reversal of 199880448 is 844088991.

It is a self number, because there is not a number n which added to its sum of digits gives 199880448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178386 + ... + 179502.

It is an arithmetic number, because the mean of its divisors is an integer number (7426874).

Almost surely, 2^199880448 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 199880448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267367464).

199880448 is an abundant number, since it is smaller than the sum of its proper divisors (334854480).

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

199880448 is a wasteful number, since it uses less digits than its factorization.

199880448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 199880448 is about 14137.9081903937. The cubic root of 199880448 is about 584.6870003608.

The spelling of 199880448 in words is "one hundred ninety-nine million, eight hundred eighty thousand, four hundred forty-eight".