40807871 has 8 divisors (see below), whose sum is σ = 46532304. Its totient is φ = 35452800.

The previous prime is 40807867. The next prime is 40807927. The reversal of 40807871 is 17870804.

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

It is a cyclic number.

It is not a de Polignac number, because 40807871 - 2² = 40807867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40807271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92105 + ... + 92546.

It is an arithmetic number, because the mean of its divisors is an integer number (5816538).

Almost surely, 2^40807871 is an apocalyptic number.

40807871 is a deficient number, since it is larger than the sum of its proper divisors (5724433).

40807871 is a wasteful number, since it uses less digits than its factorization.

40807871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184681.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 40807871 is about 6388.1038657805. The cubic root of 40807871 is about 344.2822605604.

The spelling of 40807871 in words is "forty million, eight hundred seven thousand, eight hundred seventy-one".