563937020640 has 1536 divisors, whose sum is σ = 2506658918400. Its totient is φ = 116883357696.

The previous prime is 563937020627. The next prime is 563937020641. The reversal of 563937020640 is 46020739365.

563937020640 is a `hidden beast` number, since 5 + 6 + 39 + 370 + 206 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563937020641) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1207573687 + ... + 1207574153.

It is an arithmetic number, because the mean of its divisors is an integer number (1631939400).

Almost surely, 2^563937020640 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 563937020640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253329459200).

563937020640 is an abundant number, since it is smaller than the sum of its proper divisors (1942721897760).

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

563937020640 is a wasteful number, since it uses less digits than its factorization.

563937020640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 563937020640 in words is "five hundred sixty-three billion, nine hundred thirty-seven million, twenty thousand, six hundred forty".