40831286671 has 4 divisors (see below), whose sum is σ = 46664327632. Its totient is φ = 34998245712.

The previous prime is 40831286651. The next prime is 40831286719. The reversal of 40831286671 is 17668213804.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40831286671 - 2³³ = 32241352079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40831286621) 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, 2916520470 + ... + 2916520483.

It is an arithmetic number, because the mean of its divisors is an integer number (11666081908).

Almost surely, 2^40831286671 is an apocalyptic number.

40831286671 is a deficient number, since it is larger than the sum of its proper divisors (5833040961).

40831286671 is an equidigital number, since it uses as much as digits as its factorization.

40831286671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833040960.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 40831286671 in words is "forty billion, eight hundred thirty-one million, two hundred eighty-six thousand, six hundred seventy-one".