40075 has 12 divisors (see below), whose sum is σ = 57040. Its totient is φ = 27360.

The previous prime is 40063. The next prime is 40087. The reversal of 40075 is 57004.

40075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40063) and next prime (40087).

It is not a de Polignac number, because 40075 - 2⁹ = 39563 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61 + ... + 289.

2⁴⁰⁰⁷⁵ is an apocalyptic number.

40075 is a deficient number, since it is larger than the sum of its proper divisors (16965).

40075 is a wasteful number, since it uses less digits than its factorization.

40075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 40075 is about 200.1874121917. The cubic root of 40075 is about 34.2208802876.

Adding to 40075 its reverse (57004), we get a palindrome (97079).

The spelling of 40075 in words is "forty thousand, seventy-five".