41191899 has 16 divisors (see below), whose sum is σ = 64051200. Its totient is φ = 23537640.

The previous prime is 41191883. The next prime is 41191907. The reversal of 41191899 is 99819114.

It is a happy number.

It is not a de Polignac number, because 41191899 - 2⁴ = 41191883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41191899.

It is not an unprimeable number, because it can be changed into a prime (41191859) 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, 18987 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (4003200).

Almost surely, 2^41191899 is an apocalyptic number.

41191899 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

41191899 is a deficient number, since it is larger than the sum of its proper divisors (22859301).

41191899 is an equidigital number, since it uses as much as digits as its factorization.

41191899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40055 (or 40041 counting only the distinct ones).

The product of its digits is 23328, while the sum is 42.

The square root of 41191899 is about 6418.0915387676. The cubic root of 41191899 is about 345.3588620442.

The spelling of 41191899 in words is "forty-one million, one hundred ninety-one thousand, eight hundred ninety-nine".