40269 has 8 divisors (see below), whose sum is σ = 55552. Its totient is φ = 25920.

The previous prime is 40253. The next prime is 40277. The reversal of 40269 is 96204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40269 - 2⁴ = 40253 is a prime.

It is a super-2 number, since 2×40269² = 3243184722, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 124 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (6944).

2⁴⁰²⁶⁹ is an apocalyptic number.

It is an amenable number.

40269 is a deficient number, since it is larger than the sum of its proper divisors (15283).

40269 is a wasteful number, since it uses less digits than its factorization.

40269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40269 is about 200.6713731452. The cubic root of 40269 is about 34.2760116394.

The spelling of 40269 in words is "forty thousand, two hundred sixty-nine".