40259 has 4 divisors (see below), whose sum is σ = 40704. Its totient is φ = 39816.

The previous prime is 40253. The next prime is 40277. The reversal of 40259 is 95204.

40259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40259 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 40259.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40259.

It is not an unprimeable number, because it can be changed into a prime (40253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32 + ... + 285.

It is an arithmetic number, because the mean of its divisors is an integer number (10176).

2⁴⁰²⁵⁹ is an apocalyptic number.

40259 is a deficient number, since it is larger than the sum of its proper divisors (445).

40259 is a wasteful number, since it uses less digits than its factorization.

40259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40259 is about 200.6464552391. The cubic root of 40259 is about 34.2731741507.

Subtracting 40259 from its reverse (95204), we obtain a palindrome (54945).

The spelling of 40259 in words is "forty thousand, two hundred fifty-nine".