566922723840 has 1280 divisors, whose sum is σ = 2428455997440. Its totient is φ = 123662499840.

The previous prime is 566922723793. The next prime is 566922723853. The reversal of 566922723840 is 48327229665.

566922723840 is a `hidden beast` number, since 566 + 9 + 2 + 2 + 7 + 2 + 38 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 297284167 + ... + 297286073.

It is an arithmetic number, because the mean of its divisors is an integer number (1897231248).

Almost surely, 2^566922723840 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 566922723840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214227998720).

566922723840 is an abundant number, since it is smaller than the sum of its proper divisors (1861533273600).

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

566922723840 is a wasteful number, since it uses less digits than its factorization.

566922723840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 566922723840 in words is "five hundred sixty-six billion, nine hundred twenty-two million, seven hundred twenty-three thousand, eight hundred forty".