5640543744 has 320 divisors, whose sum is σ = 17253181440. Its totient is φ = 1635532800.

The previous prime is 5640543731. The next prime is 5640543751. The reversal of 5640543744 is 4473450465.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5640543696 and 5640543705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63376852 + ... + 63376940.

It is an arithmetic number, because the mean of its divisors is an integer number (53916192).

Almost surely, 2^5640543744 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 5640543744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8626590720).

5640543744 is an abundant number, since it is smaller than the sum of its proper divisors (11612637696).

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

5640543744 is an equidigital number, since it uses as much as digits as its factorization.

5640543744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

The square root of 5640543744 is about 75103.5534711907. The cubic root of 5640543744 is about 1780.0832919826.

The spelling of 5640543744 in words is "five billion, six hundred forty million, five hundred forty-three thousand, seven hundred forty-four".