199650280 has 16 divisors (see below), whose sum is σ = 449213220. Its totient is φ = 79860096.

The previous prime is 199650259. The next prime is 199650289. The reversal of 199650280 is 82056991.

199650280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 190274436 + 9375844 = 13794^2 + 3062^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 4991257 = 199650280 / (1 + 9 + 9 + 6 + 5 + 0 + 2 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (199650289) 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 3 ways as a sum of consecutive naturals, for example, 2495589 + ... + 2495668.

Almost surely, 2^199650280 is an apocalyptic number.

199650280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199650280 is an abundant number, since it is smaller than the sum of its proper divisors (249562940).

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

199650280 is a wasteful number, since it uses less digits than its factorization.

199650280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991268 (or 4991264 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 199650280 is about 14129.7657446965. The cubic root of 199650280 is about 584.4624862775.

The spelling of 199650280 in words is "one hundred ninety-nine million, six hundred fifty thousand, two hundred eighty".