563811557408 has 90 divisors (see below), whose sum is σ = 1222110869805. Its totient is φ = 256044363520.

The previous prime is 563811557377. The next prime is 563811557453. The reversal of 563811557408 is 804755118365.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 536251573264 + 27559984144 = 732292^2 + 166012^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=530948.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 563811557408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 513957116 + ... + 513958212.

Almost surely, 2^563811557408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563811557408

563811557408 is an abundant number, since it is smaller than the sum of its proper divisors (658299312397).

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

563811557408 is an frugal number, since it uses more digits than its factorization.

563811557408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 563811557408 in words is "five hundred sixty-three billion, eight hundred eleven million, five hundred fifty-seven thousand, four hundred eight".