40671186865 has 8 divisors (see below), whose sum is σ = 49940434368. Its totient is φ = 31780276080.

The previous prime is 40671186863. The next prime is 40671186883. The reversal of 40671186865 is 56868117604.

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

It is not a de Polignac number, because 40671186865 - 2¹ = 40671186863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40671186863) 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 7 ways as a sum of consecutive naturals, for example, 94583941 + ... + 94584370.

It is an arithmetic number, because the mean of its divisors is an integer number (6242554296).

Almost surely, 2^40671186865 is an apocalyptic number.

It is an amenable number.

40671186865 is a deficient number, since it is larger than the sum of its proper divisors (9269247503).

40671186865 is a wasteful number, since it uses less digits than its factorization.

40671186865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189168359.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 40671186865 in words is "forty billion, six hundred seventy-one million, one hundred eighty-six thousand, eight hundred sixty-five".