559664640 has 200 divisors, whose sum is σ = 2005284600. Its totient is φ = 149188608.

The previous prime is 559664639. The next prime is 559664657. The reversal of 559664640 is 46466955.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 206011 + ... + 208709.

It is an arithmetic number, because the mean of its divisors is an integer number (10026423).

Almost surely, 2^559664640 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 559664640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002642300).

559664640 is an abundant number, since it is smaller than the sum of its proper divisors (1445619960).

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

559664640 is an equidigital number, since it uses as much as digits as its factorization.

559664640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 559664640 is about 23657.2322979676. The cubic root of 559664640 is about 824.0924896967.

It can be divided in two parts, 55966 and 4640, that added together give a palindrome (60606).

The spelling of 559664640 in words is "five hundred fifty-nine million, six hundred sixty-four thousand, six hundred forty".