40871686 has 8 divisors (see below), whose sum is σ = 61340760. Its totient is φ = 20424768.

The previous prime is 40871683. The next prime is 40871707. The reversal of 40871686 is 68617804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40871681) 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, 310 + ... + 9046.

It is an arithmetic number, because the mean of its divisors is an integer number (7667595).

Almost surely, 2^40871686 is an apocalyptic number.

40871686 is a deficient number, since it is larger than the sum of its proper divisors (20469074).

40871686 is a wasteful number, since it uses less digits than its factorization.

40871686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11078.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 40871686 is about 6393.0967457094. The cubic root of 40871686 is about 344.4616289804.

The spelling of 40871686 in words is "forty million, eight hundred seventy-one thousand, six hundred eighty-six".