40316907185 has 4 divisors (see below), whose sum is σ = 48380288628. Its totient is φ = 32253525744.

The previous prime is 40316907151. The next prime is 40316907187. The reversal of 40316907185 is 58170961304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7271484529 + 33045422656 = 85273^2 + 181784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40316907185 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40316907187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031690714 + ... + 4031690723.

It is an arithmetic number, because the mean of its divisors is an integer number (12095072157).

Almost surely, 2^40316907185 is an apocalyptic number.

It is an amenable number.

40316907185 is a deficient number, since it is larger than the sum of its proper divisors (8063381443).

40316907185 is an equidigital number, since it uses as much as digits as its factorization.

40316907185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063381442.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 40316907185 in words is "forty billion, three hundred sixteen million, nine hundred seven thousand, one hundred eighty-five".