40865745747 has 8 divisors (see below), whose sum is σ = 54494459344. Its totient is φ = 27240431328.

The previous prime is 40865745733. The next prime is 40865745757. The reversal of 40865745747 is 74754756804.

40865745747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40865745747 - 2¹⁰ = 40865744723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40865745707) 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, 821608 + ... + 869925.

It is an arithmetic number, because the mean of its divisors is an integer number (6811807418).

Almost surely, 2^40865745747 is an apocalyptic number.

40865745747 is a deficient number, since it is larger than the sum of its proper divisors (13628713597).

40865745747 is a wasteful number, since it uses less digits than its factorization.

40865745747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699589.

The product of its (nonzero) digits is 26342400, while the sum is 57.

The spelling of 40865745747 in words is "forty billion, eight hundred sixty-five million, seven hundred forty-five thousand, seven hundred forty-seven".