40868 has 12 divisors (see below), whose sum is σ = 75852. Its totient is φ = 19200.

The previous prime is 40867. The next prime is 40879. The reversal of 40868 is 86804.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 7744 = 182^2 + 88^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40868.

It is not an unprimeable number, because it can be changed into a prime (40867) 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, 233 + ... + 368.

It is an arithmetic number, because the mean of its divisors is an integer number (6321).

2⁴⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

40868 is a deficient number, since it is larger than the sum of its proper divisors (34984).

40868 is a wasteful number, since it uses less digits than its factorization.

40868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40868 is about 202.1583537725. The cubic root of 40868 is about 34.4451273615.

The spelling of 40868 in words is "forty thousand, eight hundred sixty-eight".