565927920 has 240 divisors, whose sum is σ = 2051431200. Its totient is φ = 139345920.

The previous prime is 565927919. The next prime is 565927931. The reversal of 565927920 is 29729565.

565927920 is a `hidden beast` number, since 56 + 592 + 7 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560376 + ... + 561384.

It is an arithmetic number, because the mean of its divisors is an integer number (8547630).

Almost surely, 2^565927920 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 565927920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025715600).

565927920 is an abundant number, since it is smaller than the sum of its proper divisors (1485503280).

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

565927920 is a wasteful number, since it uses less digits than its factorization.

565927920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 565927920 is about 23789.2395843163. The cubic root of 565927920 is about 827.1552681559.

The spelling of 565927920 in words is "five hundred sixty-five million, nine hundred twenty-seven thousand, nine hundred twenty".