8642012052 has 24 divisors (see below), whose sum is σ = 20175941632. Its totient is φ = 2879064000.

The previous prime is 8642012039. The next prime is 8642012081. The reversal of 8642012052 is 2502102468.

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 7 ways as a sum of consecutive naturals, for example, 178324 + ... + 221547.

Almost surely, 2^8642012052 is an apocalyptic number.

It is an amenable number.

8642012052 is an abundant number, since it is smaller than the sum of its proper divisors (11533929580).

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

8642012052 is a wasteful number, since it uses less digits than its factorization.

8642012052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401679 (or 401677 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 8642012052 is about 92962.4227954500. The cubic root of 8642012052 is about 2052.1304088585.

The spelling of 8642012052 in words is "eight billion, six hundred forty-two million, twelve thousand, fifty-two".