40149199 has 2 divisors, whose sum is σ = 40149200. Its totient is φ = 40149198.

The previous prime is 40149157. The next prime is 40149203. The reversal of 40149199 is 99194104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40149199 - 2⁹ = 40148687 is a prime.

It is a super-2 number, since 2×40149199² = 3223916360683202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40149149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20074599 + 20074600.

It is an arithmetic number, because the mean of its divisors is an integer number (20074600).

Almost surely, 2^40149199 is an apocalyptic number.

40149199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40149199 is an equidigital number, since it uses as much as digits as its factorization.

40149199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 40149199 is about 6336.3395584517. The cubic root of 40149199 is about 342.4198729213.

The spelling of 40149199 in words is "forty million, one hundred forty-nine thousand, one hundred ninety-nine".