565652880 has 240 divisors, whose sum is σ = 2062534656. Its totient is φ = 138101760.

The previous prime is 565652873. The next prime is 565652903. The reversal of 565652880 is 88256565.

565652880 is a `hidden beast` number, since 5 + 6 + 565 + 2 + 8 + 80 = 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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2087145 + ... + 2087415.

Almost surely, 2^565652880 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 565652880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031267328).

565652880 is an abundant number, since it is smaller than the sum of its proper divisors (1496881776).

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

565652880 is a wasteful number, since it uses less digits than its factorization.

565652880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 565652880 is about 23783.4581169350. The cubic root of 565652880 is about 827.0212477610.

The spelling of 565652880 in words is "five hundred sixty-five million, six hundred fifty-two thousand, eight hundred eighty".