564206511501220 has 48 divisors (see below), whose sum is σ = 1354109303272320. Its totient is φ = 193440278847744.

The previous prime is 564206511501209. The next prime is 564206511501223. The reversal of 564206511501220 is 22105115602465.

It is a super-2 number, since 2×564206511501220² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564206511501223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6405090 + ... + 34197049.

It is an arithmetic number, because the mean of its divisors is an integer number (28210610484840).

Almost surely, 2^{564206511501220} is an apocalyptic number.

It is an amenable number.

564206511501220 is an abundant number, since it is smaller than the sum of its proper divisors (789902791771100).

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

564206511501220 is a wasteful number, since it uses less digits than its factorization.

564206511501220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40701412 (or 40701410 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 564206511501220 in words is "five hundred sixty-four trillion, two hundred six billion, five hundred eleven million, five hundred one thousand, two hundred twenty".