40098199 has 2 divisors, whose sum is σ = 40098200. Its totient is φ = 40098198.

The previous prime is 40098193. The next prime is 40098217. The reversal of 40098199 is 99189004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40098199 - 2²⁵ = 6543767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40098193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20049099 + 20049100.

It is an arithmetic number, because the mean of its divisors is an integer number (20049100).

Almost surely, 2^40098199 is an apocalyptic number.

40098199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40098199 is an equidigital number, since it uses as much as digits as its factorization.

40098199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 40098199 is about 6332.3138740906. The cubic root of 40098199 is about 342.2748238414.

The spelling of 40098199 in words is "forty million, ninety-eight thousand, one hundred ninety-nine".