8667338440 has 16 divisors (see below), whose sum is σ = 19501511580. Its totient is φ = 3466935360.

The previous prime is 8667338413. The next prime is 8667338447. The reversal of 8667338440 is 448337668.

It can be written as a sum of positive squares in 2 ways, for example, as 8553660196 + 113678244 = 92486^2 + 10662^2 .

It is not an unprimeable number, because it can be changed into a prime (8667338447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108341691 + ... + 108341770.

Almost surely, 2^8667338440 is an apocalyptic number.

It is an amenable number.

8667338440 is an abundant number, since it is smaller than the sum of its proper divisors (10834173140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8667338440 is a wasteful number, since it uses less digits than its factorization.

8667338440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216683472 (or 216683468 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The square root of 8667338440 is about 93098.5415567827. The cubic root of 8667338440 is about 2054.1331200401.

The spelling of 8667338440 in words is "eight billion, six hundred sixty-seven million, three hundred thirty-eight thousand, four hundred forty".