564555089280 has 512 divisors, whose sum is σ = 2245183395840. Its totient is φ = 117480554496.

The previous prime is 564555089261. The next prime is 564555089303. The reversal of 564555089280 is 82980555465.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 564555089280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12732429 + ... + 12776691.

It is an arithmetic number, because the mean of its divisors is an integer number (4385123820).

Almost surely, 2^564555089280 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 564555089280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122591697920).

564555089280 is an abundant number, since it is smaller than the sum of its proper divisors (1680628306560).

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

564555089280 is a wasteful number, since it uses less digits than its factorization.

564555089280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44378 (or 44366 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 57.

The spelling of 564555089280 in words is "five hundred sixty-four billion, five hundred fifty-five million, eighty-nine thousand, two hundred eighty".