40299 has 16 divisors (see below), whose sum is σ = 65280. Its totient is φ = 21600.

The previous prime is 40289. The next prime is 40343. The reversal of 40299 is 99204.

40299 = 47² + 48² + ... + 60².

It is not a de Polignac number, because 40299 - 2⁴ = 40283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 449.

It is an arithmetic number, because the mean of its divisors is an integer number (4080).

2⁴⁰²⁹⁹ is an apocalyptic number.

40299 is a deficient number, since it is larger than the sum of its proper divisors (24981).

40299 is a wasteful number, since it uses less digits than its factorization.

40299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 40299 is about 200.7461083060. The cubic root of 40299 is about 34.2845212879.

The spelling of 40299 in words is "forty thousand, two hundred ninety-nine".