8439240612 has 24 divisors (see below), whose sum is σ = 21481703712. Its totient is φ = 2557345600.

The previous prime is 8439240599. The next prime is 8439240629. The reversal of 8439240612 is 2160429348.

It is a super-3 number, since 3×8439240612³ (a number of 31 digits) contains 333 as substring.

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, 31966689 + ... + 31966952.

It is an arithmetic number, because the mean of its divisors is an integer number (895070988).

Almost surely, 2^8439240612 is an apocalyptic number.

It is an amenable number.

8439240612 is an abundant number, since it is smaller than the sum of its proper divisors (13042463100).

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

8439240612 is a wasteful number, since it uses less digits than its factorization.

8439240612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63933659 (or 63933657 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8439240612 is about 91865.3395574196. The cubic root of 8439240612 is about 2035.9531953504.

The spelling of 8439240612 in words is "eight billion, four hundred thirty-nine million, two hundred forty thousand, six hundred twelve".