563641392 has 80 divisors (see below), whose sum is σ = 1557837792. Its totient is φ = 174981120.

The previous prime is 563641363. The next prime is 563641399. The reversal of 563641392 is 293146365.

It is a self number, because there is not a number n which added to its sum of digits gives 563641392.

It is not an unprimeable number, because it can be changed into a prime (563641399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75592 + ... + 82712.

Almost surely, 2^563641392 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 563641392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778918896).

563641392 is an abundant number, since it is smaller than the sum of its proper divisors (994196400).

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

563641392 is a wasteful number, since it uses less digits than its factorization.

563641392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246 (or 7240 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 563641392 is about 23741.1329131531. The cubic root of 563641392 is about 826.0397747537.

The spelling of 563641392 in words is "five hundred sixty-three million, six hundred forty-one thousand, three hundred ninety-two".