568409445 has 24 divisors (see below), whose sum is σ = 1009276632. Its totient is φ = 295756800.

The previous prime is 568409431. The next prime is 568409461. The reversal of 568409445 is 544904865.

568409445 is a `hidden beast` number, since 568 + 40 + 9 + 4 + 45 = 666.

568409445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 159201 + 568250244 = 399^2 + 23838^2 .

It is not a de Polignac number, because 568409445 - 2⁶ = 568409381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 568409445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152196 + ... + 155885.

It is an arithmetic number, because the mean of its divisors is an integer number (42053193).

Almost surely, 2^568409445 is an apocalyptic number.

It is an amenable number.

568409445 is a deficient number, since it is larger than the sum of its proper divisors (440867187).

568409445 is a wasteful number, since it uses less digits than its factorization.

568409445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308133 (or 308130 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 568409445 is about 23841.3389934374. The cubic root of 568409445 is about 828.3624970558.

The spelling of 568409445 in words is "five hundred sixty-eight million, four hundred nine thousand, four hundred forty-five".