563240660 has 24 divisors (see below), whose sum is σ = 1210314336. Its totient is φ = 220056480.

The previous prime is 563240647. The next prime is 563240663. The reversal of 563240660 is 66042365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563240663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326606 + ... + 328325.

It is an arithmetic number, because the mean of its divisors is an integer number (50429764).

Almost surely, 2^563240660 is an apocalyptic number.

It is an amenable number.

563240660 is an abundant number, since it is smaller than the sum of its proper divisors (647073676).

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

563240660 is a wasteful number, since it uses less digits than its factorization.

563240660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654983 (or 654981 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 563240660 is about 23732.6917984455. The cubic root of 563240660 is about 825.8439652342.

The spelling of 563240660 in words is "five hundred sixty-three million, two hundred forty thousand, six hundred sixty".