563447420 has 24 divisors (see below), whose sum is σ = 1212100848. Its totient is φ = 219881600.

The previous prime is 563447407. The next prime is 563447441. The reversal of 563447420 is 24744365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342746 + ... + 344385.

It is an arithmetic number, because the mean of its divisors is an integer number (50504202).

Almost surely, 2^563447420 is an apocalyptic number.

It is an amenable number.

563447420 is an abundant number, since it is smaller than the sum of its proper divisors (648653428).

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

563447420 is a wasteful number, since it uses less digits than its factorization.

563447420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687181 (or 687179 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 563447420 is about 23737.0474153800. The cubic root of 563447420 is about 825.9450058851.

The spelling of 563447420 in words is "five hundred sixty-three million, four hundred forty-seven thousand, four hundred twenty".