5195881728 has 360 divisors, whose sum is σ = 16382741760. Its totient is φ = 1635655680.

The previous prime is 5195881709. The next prime is 5195881753. The reversal of 5195881728 is 8271885915.

5195881728 is a `hidden beast` number, since 51 + 9 + 588 + 1 + 7 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37926076 + ... + 37926212.

It is an arithmetic number, because the mean of its divisors is an integer number (45507616).

Almost surely, 2^5195881728 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 5195881728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8191370880).

5195881728 is an abundant number, since it is smaller than the sum of its proper divisors (11186860032).

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

5195881728 is a wasteful number, since it uses less digits than its factorization.

5195881728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 232 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 54.

The square root of 5195881728 is about 72082.4647747287. The cubic root of 5195881728 is about 1732.0207298569.

The spelling of 5195881728 in words is "five billion, one hundred ninety-five million, eight hundred eighty-one thousand, seven hundred twenty-eight".