199880268 has 48 divisors (see below), whose sum is σ = 539454720. Its totient is φ = 56418624.

The previous prime is 199880251. The next prime is 199880269. The reversal of 199880268 is 862088991.

It is a self number, because there is not a number n which added to its sum of digits gives 199880268.

It is not an unprimeable number, because it can be changed into a prime (199880269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7363 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (11238640).

Almost surely, 2^199880268 is an apocalyptic number.

It is an amenable number.

199880268 is an abundant number, since it is smaller than the sum of its proper divisors (339574452).

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

199880268 is a wasteful number, since it uses less digits than its factorization.

199880268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28766 (or 28764 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 199880268 is about 14137.9018245283. The cubic root of 199880268 is about 584.6868248498.

The spelling of 199880268 in words is "one hundred ninety-nine million, eight hundred eighty thousand, two hundred sixty-eight".