40599 has 12 divisors (see below), whose sum is σ = 63336. Its totient is φ = 24912.

The previous prime is 40597. The next prime is 40609. The reversal of 40599 is 99504.

It is a happy number.

It is not a de Polignac number, because 40599 - 2¹ = 40597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40591) 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, 57 + ... + 290.

It is an arithmetic number, because the mean of its divisors is an integer number (5278).

2⁴⁰⁵⁹⁹ is an apocalyptic number.

40599 is a deficient number, since it is larger than the sum of its proper divisors (22737).

40599 is a wasteful number, since it uses less digits than its factorization.

40599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 363 counting only the distinct ones).

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

The square root of 40599 is about 201.4919353225. The cubic root of 40599 is about 34.3693864111.

The spelling of 40599 in words is "forty thousand, five hundred ninety-nine".