564020688 has 120 divisors (see below), whose sum is σ = 1830480064. Its totient is φ = 146488320.

The previous prime is 564020657. The next prime is 564020689. The reversal of 564020688 is 886020465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564020689) 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 23 ways as a sum of consecutive naturals, for example, 33720 + ... + 47592.

Almost surely, 2^564020688 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 564020688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915240032).

564020688 is an abundant number, since it is smaller than the sum of its proper divisors (1266459376).

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

564020688 is a wasteful number, since it uses less digits than its factorization.

564020688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913 (or 13896 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 564020688 is about 23749.1197310553. The cubic root of 564020688 is about 826.2250245319.

The spelling of 564020688 in words is "five hundred sixty-four million, twenty thousand, six hundred eighty-eight".