564420582 has 64 divisors (see below), whose sum is σ = 1374750720. Its totient is φ = 170229600.

The previous prime is 564420559. The next prime is 564420583. The reversal of 564420582 is 285024465.

It is a happy number.

564420582 is a `hidden beast` number, since 5 + 644 + 2 + 0 + 5 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564420583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130332 + ... + 134592.

It is an arithmetic number, because the mean of its divisors is an integer number (21480480).

Almost surely, 2^564420582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564420582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687375360).

564420582 is an abundant number, since it is smaller than the sum of its proper divisors (810330138).

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

564420582 is a wasteful number, since it uses less digits than its factorization.

564420582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 564420582 is about 23757.5373723793. The cubic root of 564420582 is about 826.4202445430.

The spelling of 564420582 in words is "five hundred sixty-four million, four hundred twenty thousand, five hundred eighty-two".