564544242 has 20 divisors (see below), whose sum is σ = 1264997646. Its totient is φ = 188181360.

The previous prime is 564544237. The next prime is 564544243. The reversal of 564544242 is 242445465.

564544242 is a `hidden beast` number, since 5 + 645 + 4 + 4 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 530426961 + 34117281 = 23031^2 + 5841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564544197 and 564544206.

It is not an unprimeable number, because it can be changed into a prime (564544243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1742259 + ... + 1742582.

Almost surely, 2^564544242 is an apocalyptic number.

564544242 is an abundant number, since it is smaller than the sum of its proper divisors (700453404).

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

564544242 is a wasteful number, since it uses less digits than its factorization.

564544242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484855 (or 3484846 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 564544242 is about 23760.1397723162. The cubic root of 564544242 is about 826.4805941406.

The spelling of 564544242 in words is "five hundred sixty-four million, five hundred forty-four thousand, two hundred forty-two".