39880240159 has 4 divisors (see below), whose sum is σ = 39884403520. Its totient is φ = 39876076800.

The previous prime is 39880240139. The next prime is 39880240181. The reversal of 39880240159 is 95104208893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95104208893 = 17 ⋅5594365229.

It is a cyclic number.

It is not a de Polignac number, because 39880240159 - 2²⁷ = 39746022431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39880240139) 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, 2067279 + ... + 2086480.

It is an arithmetic number, because the mean of its divisors is an integer number (9971100880).

Almost surely, 2^39880240159 is an apocalyptic number.

39880240159 is a deficient number, since it is larger than the sum of its proper divisors (4163361).

39880240159 is an equidigital number, since it uses as much as digits as its factorization.

39880240159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163360.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 39880240159 in words is "thirty-nine billion, eight hundred eighty million, two hundred forty thousand, one hundred fifty-nine".