40066734067 has 4 divisors (see below), whose sum is σ = 40069448280. Its totient is φ = 40064019856.

The previous prime is 40066734061. The next prime is 40066734077. The reversal of 40066734067 is 76043766004.

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 40066734067 - 2¹¹ = 40066732019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40066734061) 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, 1334842 + ... + 1364527.

It is an arithmetic number, because the mean of its divisors is an integer number (10017362070).

Almost surely, 2^40066734067 is an apocalyptic number.

40066734067 is a deficient number, since it is larger than the sum of its proper divisors (2714213).

40066734067 is a wasteful number, since it uses less digits than its factorization.

40066734067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714212.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 40066734067 in words is "forty billion, sixty-six million, seven hundred thirty-four thousand, sixty-seven".