863440585044368 has 40 divisors (see below), whose sum is σ = 1730607567211200. Its totient is φ = 416832260955264.

The previous prime is 863440585044347. The next prime is 863440585044439.

863440585044368 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 863440585044298 and 863440585044307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184617005 + ... + 189236147.

It is an arithmetic number, because the mean of its divisors is an integer number (43265189180280).

Almost surely, 2^{863440585044368} is an apocalyptic number.

It is an amenable number.

863440585044368 is an abundant number, since it is smaller than the sum of its proper divisors (867166982166832).

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

863440585044368 is a wasteful number, since it uses less digits than its factorization.

863440585044368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022039 (or 5022033 counting only the distinct ones).

The product of its (nonzero) digits is 1061683200, while the sum is 68.

The spelling of 863440585044368 in words is "eight hundred sixty-three trillion, four hundred forty billion, five hundred eighty-five million, forty-four thousand, three hundred sixty-eight".