444158199 has 6 divisors (see below), whose sum is σ = 641561856. Its totient is φ = 296105460.

The previous prime is 444158191. The next prime is 444158227. The reversal of 444158199 is 991851444.

It is a happy number.

444158199 is a `hidden beast` number, since 44 + 415 + 8 + 199 = 666.

It is not a de Polignac number, because 444158199 - 2³ = 444158191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444158191) 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 5 ways as a sum of consecutive naturals, for example, 24675447 + ... + 24675464.

It is an arithmetic number, because the mean of its divisors is an integer number (106926976).

Almost surely, 2^444158199 is an apocalyptic number.

444158199 is a deficient number, since it is larger than the sum of its proper divisors (197403657).

444158199 is a wasteful number, since it uses less digits than its factorization.

444158199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49350917 (or 49350914 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 444158199 is about 21075.0610675272. The cubic root of 444158199 is about 762.9789585651.

The spelling of 444158199 in words is "four hundred forty-four million, one hundred fifty-eight thousand, one hundred ninety-nine".