40243267 has 4 divisors (see below), whose sum is σ = 42610536. Its totient is φ = 37876000.

The previous prime is 40243253. The next prime is 40243279. The reversal of 40243267 is 76234204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40243267 - 2¹¹ = 40241219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40243667) 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, 1183609 + ... + 1183642.

It is an arithmetic number, because the mean of its divisors is an integer number (10652634).

Almost surely, 2^40243267 is an apocalyptic number.

40243267 is a deficient number, since it is larger than the sum of its proper divisors (2367269).

40243267 is a wasteful number, since it uses less digits than its factorization.

40243267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367268.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40243267 is about 6343.7581132953. The cubic root of 40243267 is about 342.6870897850.

The spelling of 40243267 in words is "forty million, two hundred forty-three thousand, two hundred sixty-seven".