40868871 has 8 divisors (see below), whose sum is σ = 54560880. Its totient is φ = 27211392.

The previous prime is 40868869. The next prime is 40868873. The reversal of 40868871 is 17886804.

It is an interprime number because it is at equal distance from previous prime (40868869) and next prime (40868873).

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

It is not a de Polignac number, because 40868871 - 2¹ = 40868869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40868873) 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, 5730 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (6820110).

Almost surely, 2^40868871 is an apocalyptic number.

40868871 is a deficient number, since it is larger than the sum of its proper divisors (13692009).

40868871 is a wasteful number, since it uses less digits than its factorization.

40868871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17265.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 40868871 is about 6392.8765825722. The cubic root of 40868871 is about 344.4537206389.

The spelling of 40868871 in words is "forty million, eight hundred sixty-eight thousand, eight hundred seventy-one".