40240803636823 has 4 divisors (see below), whose sum is σ = 42358740670360. Its totient is φ = 38122866603288.

The previous prime is 40240803636821. The next prime is 40240803636833. The reversal of 40240803636823 is 32863630804204.

40240803636823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40240803636823 - 2¹ = 40240803636821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240803636821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058968516740 + ... + 1058968516777.

It is an arithmetic number, because the mean of its divisors is an integer number (10589685167590).

Almost surely, 2^{40240803636823} is an apocalyptic number.

40240803636823 is a deficient number, since it is larger than the sum of its proper divisors (2117937033537).

40240803636823 is a wasteful number, since it uses less digits than its factorization.

40240803636823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117937033536.

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 40240803636823 in words is "forty trillion, two hundred forty billion, eight hundred three million, six hundred thirty-six thousand, eight hundred twenty-three".