2028489320 has 192 divisors, whose sum is σ = 5512147200. Its totient is φ = 662238720.

The previous prime is 2028489311. The next prime is 2028489367. The reversal of 2028489320 is 239848202.

It is a super-2 number, since 2×2028489320² = 8229537842708124800, 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 47 ways as a sum of consecutive naturals, for example, 25677041 + ... + 25677119.

It is an arithmetic number, because the mean of its divisors is an integer number (28709100).

Almost surely, 2^2028489320 is an apocalyptic number.

2028489320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028489320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756073600).

2028489320 is an abundant number, since it is smaller than the sum of its proper divisors (3483657880).

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

2028489320 is a wasteful number, since it uses less digits than its factorization.

2028489320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2028489320 is about 45038.7535351501. The cubic root of 2028489320 is about 1265.8752492362.

The spelling of 2028489320 in words is "two billion, twenty-eight million, four hundred eighty-nine thousand, three hundred twenty".