40243712574663 has 24 divisors (see below), whose sum is σ = 65323127661792. Its totient is φ = 23688606731328.

The previous prime is 40243712574623. The next prime is 40243712574683. The reversal of 40243712574663 is 36647521734204.

40243712574663 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 3 + 7 + 1 + 2 + 574 + 6 + 63 = 666.

It is not a de Polignac number, because 40243712574663 - 2¹⁸ = 40243712312519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243712574613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7477461556 + ... + 7477466937.

It is an arithmetic number, because the mean of its divisors is an integer number (2721796985908).

Almost surely, 2^{40243712574663} is an apocalyptic number.

40243712574663 is a deficient number, since it is larger than the sum of its proper divisors (25079415087129).

40243712574663 is a wasteful number, since it uses less digits than its factorization.

40243712574663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954928535 (or 14954928532 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 54.

The spelling of 40243712574663 in words is "forty trillion, two hundred forty-three billion, seven hundred twelve million, five hundred seventy-four thousand, six hundred sixty-three".