565305489424 has 135 divisors (see below), whose sum is σ = 1253366654679. Its totient is φ = 246853301760.

The previous prime is 565305489421. The next prime is 565305489433. The reversal of 565305489424 is 424984503565.

The square root of 565305489424 is 751868.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 460090890000 + 105214599424 = 678300^2 + 324368^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565305489421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 742845204 + ... + 742845964.

Almost surely, 2^565305489424 is an apocalyptic number.

565305489424 is the 751868-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565305489424

565305489424 is an abundant number, since it is smaller than the sum of its proper divisors (688061165255).

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

565305489424 is an equidigital number, since it uses as much as digits as its factorization.

565305489424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

It can be divided in two parts, 565305 and 489424, that added together give a square (1054729 = 1027²).

The spelling of 565305489424 in words is "five hundred sixty-five billion, three hundred five million, four hundred eighty-nine thousand, four hundred twenty-four".