565404576 has 96 divisors (see below), whose sum is σ = 1624831488. Its totient is φ = 170730240.

The previous prime is 565404559. The next prime is 565404577. The reversal of 565404576 is 675404565.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (565404577) 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 15 ways as a sum of consecutive naturals, for example, 365661 + ... + 367203.

It is an arithmetic number, because the mean of its divisors is an integer number (16925328).

Almost surely, 2^565404576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565404576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812415744).

565404576 is an abundant number, since it is smaller than the sum of its proper divisors (1059426912).

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

565404576 is a wasteful number, since it uses less digits than its factorization.

565404576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 565404576 is about 23778.2374451935. The cubic root of 565404576 is about 826.9002178584.

It can be divided in two parts, 56540 and 4576, that added together give a palindrome (61116).

The spelling of 565404576 in words is "five hundred sixty-five million, four hundred four thousand, five hundred seventy-six".