565825865472 has 504 divisors, whose sum is σ = 1952935989984. Its totient is φ = 160192069632.

The previous prime is 565825865461. The next prime is 565825865491. The reversal of 565825865472 is 274568528565.

565825865472 is a `hidden beast` number, since 5 + 6 + 5 + 8 + 2 + 5 + 86 + 547 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 147617668 + ... + 147621500.

It is an arithmetic number, because the mean of its divisors is an integer number (3874872996).

Almost surely, 2^565825865472 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 565825865472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976467994992).

565825865472 is an abundant number, since it is smaller than the sum of its proper divisors (1387110124512).

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

565825865472 is an equidigital number, since it uses as much as digits as its factorization.

565825865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987 (or 3958 counting only the distinct ones).

The product of its digits is 161280000, while the sum is 63.

The spelling of 565825865472 in words is "five hundred sixty-five billion, eight hundred twenty-five million, eight hundred sixty-five thousand, four hundred seventy-two".