566576640 has 320 divisors, whose sum is σ = 2301995520. Its totient is φ = 129392640.

The previous prime is 566576639. The next prime is 566576669. The reversal of 566576640 is 46675665.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 483255 + ... + 484425.

It is an arithmetic number, because the mean of its divisors is an integer number (7193736).

Almost surely, 2^566576640 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 566576640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150997760).

566576640 is an abundant number, since it is smaller than the sum of its proper divisors (1735418880).

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

566576640 is a wasteful number, since it uses less digits than its factorization.

566576640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 566576640 is about 23802.8704151411. The cubic root of 566576640 is about 827.4712019502.

The spelling of 566576640 in words is "five hundred sixty-six million, five hundred seventy-six thousand, six hundred forty".