5628881328 has 160 divisors (see below), whose sum is σ = 17530544640. Its totient is φ = 1520363520.

The previous prime is 5628881281. The next prime is 5628881329. The reversal of 5628881328 is 8231888265.

It is not an unprimeable number, because it can be changed into a prime (5628881329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5981338 + ... + 5982278.

It is an arithmetic number, because the mean of its divisors is an integer number (109565904).

Almost surely, 2^5628881328 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 5628881328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8765272320).

5628881328 is an abundant number, since it is smaller than the sum of its proper divisors (11901663312).

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

5628881328 is a wasteful number, since it uses less digits than its factorization.

5628881328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1909 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 5628881328 is about 75025.8710579224. The cubic root of 5628881328 is about 1778.8556091479.

The spelling of 5628881328 in words is "five billion, six hundred twenty-eight million, eight hundred eighty-one thousand, three hundred twenty-eight".