40827765717 has 8 divisors (see below), whose sum is σ = 60485578880. Its totient is φ = 27218510460.

The previous prime is 40827765661. The next prime is 40827765721. The reversal of 40827765717 is 71756772804.

40827765717 is a `hidden beast` number, since 40 + 8 + 27 + 7 + 6 + 571 + 7 = 666.

It is not a de Polignac number, because 40827765717 - 2¹⁶ = 40827700181 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 (40827765787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756069709 + ... + 756069762.

It is an arithmetic number, because the mean of its divisors is an integer number (7560697360).

Almost surely, 2^40827765717 is an apocalyptic number.

It is an amenable number.

40827765717 is a deficient number, since it is larger than the sum of its proper divisors (19657813163).

40827765717 is a wasteful number, since it uses less digits than its factorization.

40827765717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512139480 (or 1512139474 counting only the distinct ones).

The product of its (nonzero) digits is 4609920, while the sum is 54.

The spelling of 40827765717 in words is "forty billion, eight hundred twenty-seven million, seven hundred sixty-five thousand, seven hundred seventeen".