40869119 has 2 divisors, whose sum is σ = 40869120. Its totient is φ = 40869118.

The previous prime is 40869113. The next prime is 40869121. The reversal of 40869119 is 91196804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40869119 is a prime.

It is a super-2 number, since 2×40869119² = 3340569775672322, which contains 22 as substring.

Together with 40869121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40869113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20434559 + 20434560.

It is an arithmetic number, because the mean of its divisors is an integer number (20434560).

Almost surely, 2^40869119 is an apocalyptic number.

40869119 is a deficient number, since it is larger than the sum of its proper divisors (1).

40869119 is an equidigital number, since it uses as much as digits as its factorization.

40869119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 40869119 is about 6392.8959791318. The cubic root of 40869119 is about 344.4544173742.

The spelling of 40869119 in words is "forty million, eight hundred sixty-nine thousand, one hundred nineteen".