563707385640 has 384 divisors, whose sum is σ = 2212806211200. Its totient is φ = 128846422656.

The previous prime is 563707385627. The next prime is 563707385669. The reversal of 563707385640 is 46583707365.

563707385640 is a `hidden beast` number, since 5 + 6 + 3 + 7 + 0 + 73 + 8 + 564 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4220767 + ... + 4352273.

It is an arithmetic number, because the mean of its divisors is an integer number (5762516175).

Almost surely, 2^563707385640 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 563707385640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106403105600).

563707385640 is an abundant number, since it is smaller than the sum of its proper divisors (1649098825560).

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

563707385640 is a wasteful number, since it uses less digits than its factorization.

563707385640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131553 (or 131524 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 563707385640 in words is "five hundred sixty-three billion, seven hundred seven million, three hundred eighty-five thousand, six hundred forty".