564731200242 has 36 divisors (see below), whose sum is σ = 1344931472430. Its totient is φ = 171130666080.

The previous prime is 564731200211. The next prime is 564731200249. The reversal of 564731200242 is 242002137465.

564731200242 is a `hidden beast` number, since 5 + 647 + 3 + 1 + 2 + 0 + 0 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 538977690801 + 25753509441 = 734151^2 + 160479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564731200197 and 564731200206.

It is not an unprimeable number, because it can be changed into a prime (564731200249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 129642267 + ... + 129646622.

Almost surely, 2^564731200242 is an apocalyptic number.

564731200242 is an abundant number, since it is smaller than the sum of its proper divisors (780200272188).

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

564731200242 is a wasteful number, since it uses less digits than its factorization.

564731200242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259288919 (or 259288905 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 564731200242 in words is "five hundred sixty-four billion, seven hundred thirty-one million, two hundred thousand, two hundred forty-two".