40306199 has 2 divisors, whose sum is σ = 40306200. Its totient is φ = 40306198.

The previous prime is 40306193. The next prime is 40306223. The reversal of 40306199 is 99160304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40306199 - 2⁸ = 40305943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40306193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20153099 + 20153100.

It is an arithmetic number, because the mean of its divisors is an integer number (20153100).

Almost surely, 2^40306199 is an apocalyptic number.

40306199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40306199 is an equidigital number, since it uses as much as digits as its factorization.

40306199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 40306199 is about 6348.7163269436. The cubic root of 40306199 is about 342.8656269147.

The spelling of 40306199 in words is "forty million, three hundred six thousand, one hundred ninety-nine".