40865119 has 4 divisors (see below), whose sum is σ = 41247144. Its totient is φ = 40483096.

The previous prime is 40865117. The next prime is 40865129. The reversal of 40865119 is 91156804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40865119 - 2¹ = 40865117 is a prime.

It is a super-2 number, since 2×40865119² = 3339915901768322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40865117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190852 + ... + 191065.

It is an arithmetic number, because the mean of its divisors is an integer number (10311786).

Almost surely, 2^40865119 is an apocalyptic number.

40865119 is a deficient number, since it is larger than the sum of its proper divisors (382025).

40865119 is a wasteful number, since it uses less digits than its factorization.

40865119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382024.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 40865119 is about 6392.5831242151. The cubic root of 40865119 is about 344.4431793648.

The spelling of 40865119 in words is "forty million, eight hundred sixty-five thousand, one hundred nineteen".