563156439680 has 32 divisors (see below), whose sum is σ = 1346295865140. Its totient is φ = 225262575616.

The previous prime is 563156439577. The next prime is 563156439743. The reversal of 563156439680 is 86934651365.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 470365532224 + 92790907456 = 685832^2 + 304616^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439965329 + ... + 439966608.

Almost surely, 2^563156439680 is an apocalyptic number.

It is an amenable number.

563156439680 is an abundant number, since it is smaller than the sum of its proper divisors (783139425460).

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

563156439680 is an equidigital number, since it uses as much as digits as its factorization.

563156439680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879931956 (or 879931944 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 563156439680 in words is "five hundred sixty-three billion, one hundred fifty-six million, four hundred thirty-nine thousand, six hundred eighty".