40868771 has 4 divisors (see below), whose sum is σ = 40883232. Its totient is φ = 40854312.

The previous prime is 40868749. The next prime is 40868783. The reversal of 40868771 is 17786804.

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 40868771 - 2¹⁸ = 40606627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40865771) 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, 1451 + ... + 9156.

It is an arithmetic number, because the mean of its divisors is an integer number (10220808).

Almost surely, 2^40868771 is an apocalyptic number.

40868771 is a deficient number, since it is larger than the sum of its proper divisors (14461).

40868771 is a wasteful number, since it uses less digits than its factorization.

40868771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 40868771 is about 6392.8687613621. The cubic root of 40868771 is about 344.4534396965.

The spelling of 40868771 in words is "forty million, eight hundred sixty-eight thousand, seven hundred seventy-one".