8640332284512 has 48 divisors (see below), whose sum is σ = 23293868803632. Its totient is φ = 2802269928960.

The previous prime is 8640332284511. The next prime is 8640332284523. The reversal of 8640332284512 is 2154822330468.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640332284511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216259439 + ... + 1216266542.

It is an arithmetic number, because the mean of its divisors is an integer number (485288933409).

Almost surely, 2^{8640332284512} is an apocalyptic number.

It is an amenable number.

8640332284512 is an abundant number, since it is smaller than the sum of its proper divisors (14653536519120).

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

8640332284512 is a wasteful number, since it uses less digits than its factorization.

8640332284512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432526031 (or 2432526023 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 8640332284512 in words is "eight trillion, six hundred forty billion, three hundred thirty-two million, two hundred eighty-four thousand, five hundred twelve".