40875 has 16 divisors (see below), whose sum is σ = 68640. Its totient is φ = 21600.

The previous prime is 40867. The next prime is 40879. The reversal of 40875 is 57804.

It is not a de Polignac number, because 40875 - 2³ = 40867 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40875.

It is not an unprimeable number, because it can be changed into a prime (40879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321 + ... + 429.

It is an arithmetic number, because the mean of its divisors is an integer number (4290).

2⁴⁰⁸⁷⁵ is an apocalyptic number.

40875 is a deficient number, since it is larger than the sum of its proper divisors (27765).

40875 is a wasteful number, since it uses less digits than its factorization.

40875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 40875 is about 202.1756661916. The cubic root of 40875 is about 34.4470938726.

The spelling of 40875 in words is "forty thousand, eight hundred seventy-five".