40865036823 has 12 divisors (see below), whose sum is σ = 63567835240. Its totient is φ = 25147714896.

The previous prime is 40865036819. The next prime is 40865036827. The reversal of 40865036823 is 32863056804.

It is a happy number.

40865036823 is a `hidden beast` number, since 4 + 0 + 86 + 503 + 68 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (40865036819) and next prime (40865036827).

It is not a de Polignac number, because 40865036823 - 2² = 40865036819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40865036827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174636793 + ... + 174637026.

Almost surely, 2^40865036823 is an apocalyptic number.

40865036823 is a deficient number, since it is larger than the sum of its proper divisors (22702798417).

40865036823 is a wasteful number, since it uses less digits than its factorization.

40865036823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349273838 (or 349273835 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 40865036823 in words is "forty billion, eight hundred sixty-five million, thirty-six thousand, eight hundred twenty-three".