40684330809311 has 4 divisors (see below), whose sum is σ = 46496378067792. Its totient is φ = 34872283550832.

The previous prime is 40684330809247. The next prime is 40684330809319. The reversal of 40684330809311 is 11390803348604.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40684330809311 - 2⁶ = 40684330809247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40684330809311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40684330809319) 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, 2906023629230 + ... + 2906023629243.

It is an arithmetic number, because the mean of its divisors is an integer number (11624094516948).

Almost surely, 2^{40684330809311} is an apocalyptic number.

40684330809311 is a deficient number, since it is larger than the sum of its proper divisors (5812047258481).

40684330809311 is an equidigital number, since it uses as much as digits as its factorization.

40684330809311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812047258480.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 40684330809311 in words is "forty trillion, six hundred eighty-four billion, three hundred thirty million, eight hundred nine thousand, three hundred eleven".