563402640064420 has 96 divisors (see below), whose sum is σ = 1275271027722720. Its totient is φ = 207843702865920.

The previous prime is 563402640064417. The next prime is 563402640064447. The reversal of 563402640064420 is 24460046204365.

It can be written as a sum of positive squares in 16 ways, for example, as 70106191227136 + 493296448837284 = 8372944^2 + 22210278^2 .

It is a super-2 number, since 2×563402640064420² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3066662484 + ... + 3066846196.

It is an arithmetic number, because the mean of its divisors is an integer number (13284073205445).

Almost surely, 2^{563402640064420} is an apocalyptic number.

It is an amenable number.

563402640064420 is an abundant number, since it is smaller than the sum of its proper divisors (711868387658300).

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

563402640064420 is a wasteful number, since it uses less digits than its factorization.

563402640064420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193985 (or 193983 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

Adding to 563402640064420 its reverse (24460046204365), we get a palindrome (587862686268785).

The spelling of 563402640064420 in words is "five hundred sixty-three trillion, four hundred two billion, six hundred forty million, sixty-four thousand, four hundred twenty".