199452280 has 32 divisors (see below), whose sum is σ = 452971440. Its totient is φ = 79033600.

The previous prime is 199452271. The next prime is 199452283. The reversal of 199452280 is 82254991.

199452280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199452283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19021 + ... + 27580.

Almost surely, 2^199452280 is an apocalyptic number.

199452280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199452280 is an abundant number, since it is smaller than the sum of its proper divisors (253519160).

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

199452280 is a wasteful number, since it uses less digits than its factorization.

199452280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46719 (or 46715 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 199452280 is about 14122.7575211076. The cubic root of 199452280 is about 584.2692119028.

The spelling of 199452280 in words is "one hundred ninety-nine million, four hundred fifty-two thousand, two hundred eighty".