563444364 has 48 divisors (see below), whose sum is σ = 1554336000. Its totient is φ = 155432256.

The previous prime is 563444309. The next prime is 563444377. The reversal of 563444364 is 463444365.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113214 + ... + 118085.

It is an arithmetic number, because the mean of its divisors is an integer number (32382000).

Almost surely, 2^563444364 is an apocalyptic number.

It is an amenable number.

563444364 is an abundant number, since it is smaller than the sum of its proper divisors (990891636).

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

563444364 is a wasteful number, since it uses less digits than its factorization.

563444364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231342 (or 231340 counting only the distinct ones).

The product of its digits is 414720, while the sum is 39.

The square root of 563444364 is about 23736.9830433440. The cubic root of 563444364 is about 825.9435126417.

Subtracting from 563444364 its reverse (463444365), we obtain a palindrome (99999999).

The spelling of 563444364 in words is "five hundred sixty-three million, four hundred forty-four thousand, three hundred sixty-four".