565797960 has 640 divisors, whose sum is σ = 2488147200. Its totient is φ = 111974400.

The previous prime is 565797959. The next prime is 565797983. The reversal of 565797960 is 69797565.

565797960 is a `hidden beast` number, since 5 + 6 + 579 + 7 + 9 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 565797897 and 565797906.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5601910 + ... + 5602010.

It is an arithmetic number, because the mean of its divisors is an integer number (3887730).

Almost surely, 2^565797960 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 565797960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244073600).

565797960 is an abundant number, since it is smaller than the sum of its proper divisors (1922349240).

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

565797960 is a wasteful number, since it uses less digits than its factorization.

565797960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 54.

The square root of 565797960 is about 23786.5079404271. The cubic root of 565797960 is about 827.0919471778.

The spelling of 565797960 in words is "five hundred sixty-five million, seven hundred ninety-seven thousand, nine hundred sixty".