565284720 has 480 divisors, whose sum is σ = 2378847744. Its totient is φ = 107827200.

The previous prime is 565284719. The next prime is 565284739. The reversal of 565284720 is 27482565.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3123030 + ... + 3123210.

Almost surely, 2^565284720 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 565284720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189423872).

565284720 is an abundant number, since it is smaller than the sum of its proper divisors (1813563024).

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

565284720 is a wasteful number, since it uses less digits than its factorization.

565284720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 565284720 is about 23775.7170238880. The cubic root of 565284720 is about 826.8417842100.

The spelling of 565284720 in words is "five hundred sixty-five million, two hundred eighty-four thousand, seven hundred twenty".