563459840 has 36 divisors (see below), whose sum is σ = 1349665464. Its totient is φ = 225383424.

The previous prime is 563459797. The next prime is 563459851. The reversal of 563459840 is 48954365.

It is a junction number, because it is equal to n+sod(n) for n = 563459791 and 563459800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218822 + ... + 221381.

Almost surely, 2^563459840 is an apocalyptic number.

It is an amenable number.

563459840 is an abundant number, since it is smaller than the sum of its proper divisors (786205624).

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

563459840 is an equidigital number, since it uses as much as digits as its factorization.

563459840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440224 (or 440210 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 563459840 is about 23737.3090303008. The cubic root of 563459840 is about 825.9510745742.

The spelling of 563459840 in words is "five hundred sixty-three million, four hundred fifty-nine thousand, eight hundred forty".