40102199 has 2 divisors, whose sum is σ = 40102200. Its totient is φ = 40102198.

The previous prime is 40102177. The next prime is 40102213. The reversal of 40102199 is 99120104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40102199 - 2¹² = 40098103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40102109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051099 + 20051100.

It is an arithmetic number, because the mean of its divisors is an integer number (20051100).

Almost surely, 2^40102199 is an apocalyptic number.

40102199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40102199 is an equidigital number, since it uses as much as digits as its factorization.

40102199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 40102199 is about 6332.6297065279. The cubic root of 40102199 is about 342.2862046832.

The spelling of 40102199 in words is "forty million, one hundred two thousand, one hundred ninety-nine".