564650880 has 128 divisors (see below), whose sum is σ = 1862071200. Its totient is φ = 145367040.

The previous prime is 564650803. The next prime is 564650887. The reversal of 564650880 is 88056465.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564650887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50610 + ... + 60750.

Almost surely, 2^564650880 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 564650880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931035600).

564650880 is an abundant number, since it is smaller than the sum of its proper divisors (1297420320).

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

564650880 is a wasteful number, since it uses less digits than its factorization.

564650880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 564650880 is about 23762.3837188107. The cubic root of 564650880 is about 826.5326294417.

The spelling of 564650880 in words is "five hundred sixty-four million, six hundred fifty thousand, eight hundred eighty".