8640862534532 has 6 divisors (see below), whose sum is σ = 15121509435438. Its totient is φ = 4320431267264.

The previous prime is 8640862534481. The next prime is 8640862534541. The reversal of 8640862534532 is 2354352680468.

It can be written as a sum of positive squares in only one way, i.e., 4786888906816 + 3853973627716 = 2187896^2 + 1963154^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080107816813 + ... + 1080107816820.

It is an arithmetic number, because the mean of its divisors is an integer number (2520251572573).

Almost surely, 2^{8640862534532} is an apocalyptic number.

It is an amenable number.

8640862534532 is a deficient number, since it is larger than the sum of its proper divisors (6480646900906).

8640862534532 is a wasteful number, since it uses less digits than its factorization.

8640862534532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160215633637 (or 2160215633635 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 56.

The spelling of 8640862534532 in words is "eight trillion, six hundred forty billion, eight hundred sixty-two million, five hundred thirty-four thousand, five hundred thirty-two".