40064067 has 6 divisors (see below), whose sum is σ = 57870332. Its totient is φ = 26709372.

The previous prime is 40064033. The next prime is 40064077. The reversal of 40064067 is 76046004.

It is not a de Polignac number, because 40064067 - 2¹¹ = 40062019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40064067.

It is not an unprimeable number, because it can be changed into a prime (40064077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2225773 + ... + 2225790.

Almost surely, 2^40064067 is an apocalyptic number.

40064067 is a deficient number, since it is larger than the sum of its proper divisors (17806265).

40064067 is a wasteful number, since it uses less digits than its factorization.

40064067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451569 (or 4451566 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40064067 is about 6329.6182349333. The cubic root of 40064067 is about 342.1776803212.

The spelling of 40064067 in words is "forty million, sixty-four thousand, sixty-seven".