8032640343 has 16 divisors (see below), whose sum is σ = 13181769216. Its totient is φ = 4236996960.

The previous prime is 8032640339. The next prime is 8032640377. The reversal of 8032640343 is 3430462308.

It is not a de Polignac number, because 8032640343 - 2² = 8032640339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8032640333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14711523 + ... + 14712068.

It is an arithmetic number, because the mean of its divisors is an integer number (823860576).

Almost surely, 2^8032640343 is an apocalyptic number.

8032640343 is a deficient number, since it is larger than the sum of its proper divisors (5149128873).

8032640343 is a wasteful number, since it uses less digits than its factorization.

8032640343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29423614.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 8032640343 is about 89624.9984267782. The cubic root of 8032640343 is about 2002.7163376680.

The spelling of 8032640343 in words is "eight billion, thirty-two million, six hundred forty thousand, three hundred forty-three".