5081840064 has 168 divisors, whose sum is σ = 17371161600. Its totient is φ = 1388800512.

The previous prime is 5081840063. The next prime is 5081840069. The reversal of 5081840064 is 4600481805.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5081840063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65337 + ... + 120135.

Almost surely, 2^5081840064 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 5081840064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8685580800).

5081840064 is an abundant number, since it is smaller than the sum of its proper divisors (12289321536).

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

5081840064 is a wasteful number, since it uses less digits than its factorization.

5081840064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54847 (or 54834 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 5081840064 is about 71287.0259163615. The cubic root of 5081840064 is about 1719.2551380866.

The spelling of 5081840064 in words is "five billion, eighty-one million, eight hundred forty thousand, sixty-four".