40535 has 12 divisors (see below), whose sum is σ = 54264. Its totient is φ = 29040.

The previous prime is 40531. The next prime is 40543. The reversal of 40535 is 53504.

It is not a de Polignac number, because 40535 - 2² = 40531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (4522).

2⁴⁰⁵³⁵ is an apocalyptic number.

40535 is a deficient number, since it is larger than the sum of its proper divisors (13729).

40535 is a wasteful number, since it uses less digits than its factorization.

40535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 40535 is about 201.3330573950. Note that the first 3 decimals coincide. The cubic root of 40535 is about 34.3513170205.

It can be divided in two parts, 40 and 535, that added together give a palindrome (575).

The spelling of 40535 in words is "forty thousand, five hundred thirty-five".