564038821896 has 128 divisors (see below), whose sum is σ = 1626324480000. Its totient is φ = 161217596160.

The previous prime is 564038821817. The next prime is 564038821937. The reversal of 564038821896 is 698128830465.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903145 + ... + 1394183.

It is an arithmetic number, because the mean of its divisors is an integer number (12705660000).

Almost surely, 2^564038821896 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 564038821896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813162240000).

564038821896 is an abundant number, since it is smaller than the sum of its proper divisors (1062285658104).

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

564038821896 is a wasteful number, since it uses less digits than its factorization.

564038821896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491307 (or 491303 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 564038821896 in words is "five hundred sixty-four billion, thirty-eight million, eight hundred twenty-one thousand, eight hundred ninety-six".