5281660384 has 384 divisors, whose sum is σ = 14923948032. Its totient is φ = 1773066240.

The previous prime is 5281660339. The next prime is 5281660421. The reversal of 5281660384 is 4830661825.

It is a self number, because there is not a number n which added to its sum of digits gives 5281660384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49361259 + ... + 49361365.

It is an arithmetic number, because the mean of its divisors is an integer number (38864448).

Almost surely, 2^5281660384 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 5281660384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7461974016).

5281660384 is an abundant number, since it is smaller than the sum of its proper divisors (9642287648).

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

5281660384 is a wasteful number, since it uses less digits than its factorization.

5281660384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 5281660384 is about 72675.0327416507. The cubic root of 5281660384 is about 1741.5000478789.

The spelling of 5281660384 in words is "five billion, two hundred eighty-one million, six hundred sixty thousand, three hundred eighty-four".