8640532342 has 8 divisors (see below), whose sum is σ = 13957783056. Its totient is φ = 3987937992.

The previous prime is 8640532297. The next prime is 8640532367. The reversal of 8640532342 is 2432350468.

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

It is a congruent number.

It is an unprimeable number.

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, 166164058 + ... + 166164109.

It is an arithmetic number, because the mean of its divisors is an integer number (1744722882).

Almost surely, 2^8640532342 is an apocalyptic number.

8640532342 is a deficient number, since it is larger than the sum of its proper divisors (5317250714).

8640532342 is a wasteful number, since it uses less digits than its factorization.

8640532342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332328182.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 8640532342 is about 92954.4638088995. The cubic root of 8640532342 is about 2052.0132782954.

The spelling of 8640532342 in words is "eight billion, six hundred forty million, five hundred thirty-two thousand, three hundred forty-two".