8456441043664 has 40 divisors (see below), whose sum is σ = 16395576506568. Its totient is φ = 4225325475840.

The previous prime is 8456441043593. The next prime is 8456441043691. The reversal of 8456441043664 is 4663401446548.

It can be written as a sum of positive squares in 4 ways, for example, as 3984095840400 + 4472345203264 = 1996020^2 + 2114792^2 .

It is a super-2 number, since 2×8456441043664² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160446564 + ... + 160499260.

Almost surely, 2^{8456441043664} is an apocalyptic number.

It is an amenable number.

8456441043664 is a deficient number, since it is larger than the sum of its proper divisors (7939135462904).

8456441043664 is a wasteful number, since it uses less digits than its factorization.

8456441043664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59383 (or 59377 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 55.

The spelling of 8456441043664 in words is "eight trillion, four hundred fifty-six billion, four hundred forty-one million, forty-three thousand, six hundred sixty-four".