5643000320 has 160 divisors (see below), whose sum is σ = 14212661760. Its totient is φ = 2144665600.

The previous prime is 5643000301. The next prime is 5643000331. The reversal of 5643000320 is 230003465.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×5643000320² = 63686905223040204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14072120 + ... + 14072520.

It is an arithmetic number, because the mean of its divisors is an integer number (88829136).

Almost surely, 2^5643000320 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 5643000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7106330880).

5643000320 is an abundant number, since it is smaller than the sum of its proper divisors (8569661440).

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

5643000320 is a wasteful number, since it uses less digits than its factorization.

5643000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 5643000320 is about 75119.9062832216. The cubic root of 5643000320 is about 1780.3416757728.

Adding to 5643000320 its reverse (230003465), we get a palindrome (5873003785).

The spelling of 5643000320 in words is "five billion, six hundred forty-three million, three hundred twenty", and thus it is an aban number.