4871181728 has 96 divisors (see below), whose sum is σ = 11445033600. Its totient is φ = 2038901760.

The previous prime is 4871181719. The next prime is 4871181743. The reversal of 4871181728 is 8271811784.

It is a happy number.

It is a super-2 number, since 2×4871181728² = 47456822854402131968, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 466808 + ... + 477128.

It is an arithmetic number, because the mean of its divisors is an integer number (119219100).

Almost surely, 2^4871181728 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 4871181728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5722516800).

4871181728 is an abundant number, since it is smaller than the sum of its proper divisors (6573851872).

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

4871181728 is a wasteful number, since it uses less digits than its factorization.

4871181728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395 (or 10373 counting only the distinct ones).

The product of its digits is 200704, while the sum is 47.

The square root of 4871181728 is about 69793.8516489812. The cubic root of 4871181728 is about 1695.1629198058.

The spelling of 4871181728 in words is "four billion, eight hundred seventy-one million, one hundred eighty-one thousand, seven hundred twenty-eight".