40045267 has 4 divisors (see below), whose sum is σ = 40434160. Its totient is φ = 39656376.

The previous prime is 40045253. The next prime is 40045301. The reversal of 40045267 is 76254004.

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

It is a cyclic number.

It is not a de Polignac number, because 40045267 - 2²³ = 31656659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40045067) 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, 194292 + ... + 194497.

It is an arithmetic number, because the mean of its divisors is an integer number (10108540).

Almost surely, 2^40045267 is an apocalyptic number.

40045267 is a deficient number, since it is larger than the sum of its proper divisors (388893).

40045267 is a wasteful number, since it uses less digits than its factorization.

40045267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388892.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40045267 is about 6328.1329790073. The cubic root of 40045267 is about 342.1241498357.

The spelling of 40045267 in words is "forty million, forty-five thousand, two hundred sixty-seven".