5643426560 has 72 divisors (see below), whose sum is σ = 13535457936. Its totient is φ = 2254417920.

The previous prime is 5643426559. The next prime is 5643426571. The reversal of 5643426560 is 656243465.

It is a happy number.

It is a super-2 number, since 2×5643426560² = 63696526676226867200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158530 + ... + 1163390.

Almost surely, 2^5643426560 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 5643426560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6767728968).

5643426560 is an abundant number, since it is smaller than the sum of its proper divisors (7892031376).

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

5643426560 is an equidigital number, since it uses as much as digits as its factorization.

5643426560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 5643426560 is about 75122.7432938920. The cubic root of 5643426560 is about 1780.3865002567.

The spelling of 5643426560 in words is "five billion, six hundred forty-three million, four hundred twenty-six thousand, five hundred sixty".