40040367 has 4 divisors (see below), whose sum is σ = 53387160. Its totient is φ = 26693576.

The previous prime is 40040293. The next prime is 40040393. The reversal of 40040367 is 76304004.

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 40040367 - 2⁸ = 40040111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6673392 + ... + 6673397.

It is an arithmetic number, because the mean of its divisors is an integer number (13346790).

Almost surely, 2^40040367 is an apocalyptic number.

40040367 is a deficient number, since it is larger than the sum of its proper divisors (13346793).

40040367 is a wasteful number, since it uses less digits than its factorization.

40040367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346792.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40040367 is about 6327.7458071576. The cubic root of 40040367 is about 342.1101949888.

The spelling of 40040367 in words is "forty million, forty thousand, three hundred sixty-seven".