563701680 has 240 divisors, whose sum is σ = 1988872704. Its totient is φ = 148366080.

The previous prime is 563701679. The next prime is 563701711. The reversal of 563701680 is 86107365.

563701680 is a `hidden beast` number, since 5 + 637 + 0 + 16 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2079945 + ... + 2080215.

Almost surely, 2^563701680 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 563701680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994436352).

563701680 is an abundant number, since it is smaller than the sum of its proper divisors (1425171024).

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

563701680 is a wasteful number, since it uses less digits than its factorization.

563701680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 563701680 is about 23742.4025742973. The cubic root of 563701680 is about 826.0692252230.

The spelling of 563701680 in words is "five hundred sixty-three million, seven hundred one thousand, six hundred eighty".