43840516345 has 8 divisors (see below), whose sum is σ = 52656322176. Its totient is φ = 35040611376.

The previous prime is 43840516261. The next prime is 43840516411. The reversal of 43840516345 is 54361504834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43840516345 - 2⁹ = 43840515833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3969147 + ... + 3980176.

It is an arithmetic number, because the mean of its divisors is an integer number (6582040272).

Almost surely, 2^43840516345 is an apocalyptic number.

It is an amenable number.

43840516345 is a deficient number, since it is larger than the sum of its proper divisors (8815805831).

43840516345 is a wasteful number, since it uses less digits than its factorization.

43840516345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950431.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 43840516345 in words is "forty-three billion, eight hundred forty million, five hundred sixteen thousand, three hundred forty-five".