1960385128 has 72 divisors (see below), whose sum is σ = 4162314870. Its totient is φ = 865138560.

The previous prime is 1960385071. The next prime is 1960385149. The reversal of 1960385128 is 8215830691.

It can be written as a sum of positive squares in 3 ways, for example, as 779638084 + 1180747044 = 27922^2 + 34362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 713838 + ... + 716578.

Almost surely, 2^1960385128 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 1960385128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2081157435).

1960385128 is an abundant number, since it is smaller than the sum of its proper divisors (2201929742).

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

1960385128 is a wasteful number, since it uses less digits than its factorization.

1960385128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1960385128 is about 44276.2366061073. The cubic root of 1960385128 is about 1251.5469121672.

The spelling of 1960385128 in words is "one billion, nine hundred sixty million, three hundred eighty-five thousand, one hundred twenty-eight".