864468533824 has 63 divisors (see below), whose sum is σ = 1995620105907. Its totient is φ = 370464200064.

The previous prime is 864468533779. The next prime is 864468533827. The reversal of 864468533824 is 428335864468.

The square root of 864468533824 is 929768.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864468533827) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52058707 + ... + 52075309.

Almost surely, 2^864468533824 is an apocalyptic number.

864468533824 is the 929768-th square number.

It is an amenable number.

864468533824 is an abundant number, since it is smaller than the sum of its proper divisors (1131151572083).

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

864468533824 is an frugal number, since it uses more digits than its factorization.

864468533824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33232 (or 16612 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 61.

The spelling of 864468533824 in words is "eight hundred sixty-four billion, four hundred sixty-eight million, five hundred thirty-three thousand, eight hundred twenty-four".