5481916728 has 32 divisors (see below), whose sum is σ = 13769756160. Its totient is φ = 1818643680.

The previous prime is 5481916711. The next prime is 5481916763. The reversal of 5481916728 is 8276191845.

It is a super-2 number, since 2×5481916728² = 60102822025452451968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536200 + ... + 546327.

It is an arithmetic number, because the mean of its divisors is an integer number (430304880).

Almost surely, 2^5481916728 is an apocalyptic number.

It is an amenable number.

5481916728 is an abundant number, since it is smaller than the sum of its proper divisors (8287839432).

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

5481916728 is a wasteful number, since it uses less digits than its factorization.

5481916728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082747 (or 1082743 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 5481916728 is about 74039.9670988582. The cubic root of 5481916728 is about 1763.2374905909.

The spelling of 5481916728 in words is "five billion, four hundred eighty-one million, nine hundred sixteen thousand, seven hundred twenty-eight".