564251405564 has 96 divisors (see below), whose sum is σ = 1301802872832. Its totient is φ = 207557568000.

The previous prime is 564251405539. The next prime is 564251405569. The reversal of 564251405564 is 465504152465.

It is a super-2 number, since 2×564251405564² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564251405569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329219 + ... + 1112154.

It is an arithmetic number, because the mean of its divisors is an integer number (13560446592).

Almost surely, 2^564251405564 is an apocalyptic number.

It is an amenable number.

564251405564 is an abundant number, since it is smaller than the sum of its proper divisors (737551467268).

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

564251405564 is a wasteful number, since it uses less digits than its factorization.

564251405564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441467 (or 1441465 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 564251405564 in words is "five hundred sixty-four billion, two hundred fifty-one million, four hundred five thousand, five hundred sixty-four".