199950255 has 16 divisors (see below), whose sum is σ = 355467360. Its totient is φ = 106640064.

The previous prime is 199950251. The next prime is 199950263. The reversal of 199950255 is 552059991.

199950255 is a `hidden beast` number, since 1 + 9 + 99 + 502 + 55 = 666.

It is not a de Polignac number, because 199950255 - 2² = 199950251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 199950255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199950251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740422 + ... + 740691.

It is an arithmetic number, because the mean of its divisors is an integer number (22216710).

Almost surely, 2^199950255 is an apocalyptic number.

199950255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199950255 is a deficient number, since it is larger than the sum of its proper divisors (155517105).

199950255 is a wasteful number, since it uses less digits than its factorization.

199950255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481127 (or 1481121 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 45.

The square root of 199950255 is about 14140.3767630145. The cubic root of 199950255 is about 584.7550585347.

The spelling of 199950255 in words is "one hundred ninety-nine million, nine hundred fifty thousand, two hundred fifty-five".