40995 has 12 divisors (see below), whose sum is σ = 71136. Its totient is φ = 21840.

The previous prime is 40993. The next prime is 41011. The reversal of 40995 is 59904.

It is a happy number.

It is not a de Polignac number, because 40995 - 2¹ = 40993 is a prime.

It is a plaindrome in base 11.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (40993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (5928).

2⁴⁰⁹⁹⁵ is an apocalyptic number.

40995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40995 is a deficient number, since it is larger than the sum of its proper divisors (30141).

40995 is a wasteful number, since it uses less digits than its factorization.

40995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 40995 is about 202.4722203168. The cubic root of 40995 is about 34.4807706325.

It can be divided in two parts, 40 and 995, that added together give a triangular number (1035 = T₄₅).

The spelling of 40995 in words is "forty thousand, nine hundred ninety-five".