5156720724 has 48 divisors (see below), whose sum is σ = 12491478720. Its totient is φ = 1653738240.

The previous prime is 5156720713. The next prime is 5156720749. The reversal of 5156720724 is 4270276515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72304 + ... + 124664.

It is an arithmetic number, because the mean of its divisors is an integer number (260239140).

Almost surely, 2^5156720724 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 5156720724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6245739360).

5156720724 is an abundant number, since it is smaller than the sum of its proper divisors (7334757996).

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

5156720724 is a wasteful number, since it uses less digits than its factorization.

5156720724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52680 (or 52678 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 5156720724 is about 71810.3107081427. The cubic root of 5156720724 is about 1727.6583780577.

The spelling of 5156720724 in words is "five billion, one hundred fifty-six million, seven hundred twenty thousand, seven hundred twenty-four".