5197956720 has 240 divisors, whose sum is σ = 18755362080. Its totient is φ = 1185873920.

The previous prime is 5197956683. The next prime is 5197956761. The reversal of 5197956720 is 276597915.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488416 + ... + 498944.

It is an arithmetic number, because the mean of its divisors is an integer number (78147342).

Almost surely, 2^5197956720 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 5197956720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9377681040).

5197956720 is an abundant number, since it is smaller than the sum of its proper divisors (13557405360).

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

5197956720 is a wasteful number, since it uses less digits than its factorization.

5197956720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584 (or 10567 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 51.

The square root of 5197956720 is about 72096.8565195460. The cubic root of 5197956720 is about 1732.2512618460.

The spelling of 5197956720 in words is "five billion, one hundred ninety-seven million, nine hundred fifty-six thousand, seven hundred twenty".