562661880 has 256 divisors, whose sum is σ = 1970749440. Its totient is φ = 127142400.

The previous prime is 562661851. The next prime is 562661893. The reversal of 562661880 is 88166265.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1305265 + ... + 1305695.

It is an arithmetic number, because the mean of its divisors is an integer number (7698240).

Almost surely, 2^562661880 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 562661880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985374720).

562661880 is an abundant number, since it is smaller than the sum of its proper divisors (1408087560).

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

562661880 is a wasteful number, since it uses less digits than its factorization.

562661880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 562661880 is about 23720.4949358145. The cubic root of 562661880 is about 825.5609921815.

The spelling of 562661880 in words is "five hundred sixty-two million, six hundred sixty-one thousand, eight hundred eighty".