40911 has 8 divisors (see below), whose sum is σ = 58800. Its totient is φ = 25152.

The previous prime is 40903. The next prime is 40927. The reversal of 40911 is 11904.

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

It is not a de Polignac number, because 40911 - 2³ = 40903 is a prime.

40911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40961) 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, 486 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (7350).

2⁴⁰⁹¹¹ is an apocalyptic number.

40911 is a deficient number, since it is larger than the sum of its proper divisors (17889).

40911 is a wasteful number, since it uses less digits than its factorization.

40911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 40911 is about 202.2646780830. The cubic root of 40911 is about 34.4572038134.

The spelling of 40911 in words is "forty thousand, nine hundred eleven".