40865585833 has 4 divisors (see below), whose sum is σ = 43016406160. Its totient is φ = 38714765508.

The previous prime is 40865585821. The next prime is 40865585837. The reversal of 40865585833 is 33858556804.

40865585833 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40865585833 is a prime.

It is a super-2 number, since 2×40865585833² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40865585837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075410135 + ... + 1075410172.

It is an arithmetic number, because the mean of its divisors is an integer number (10754101540).

Almost surely, 2^40865585833 is an apocalyptic number.

It is an amenable number.

40865585833 is a deficient number, since it is larger than the sum of its proper divisors (2150820327).

40865585833 is a wasteful number, since it uses less digits than its factorization.

40865585833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150820326.

The product of its (nonzero) digits is 13824000, while the sum is 55.

The spelling of 40865585833 in words is "forty billion, eight hundred sixty-five million, five hundred eighty-five thousand, eight hundred thirty-three".