1980116528 has 40 divisors (see below), whose sum is σ = 4134891600. Its totient is φ = 913169664.

The previous prime is 1980116473. The next prime is 1980116569. The reversal of 1980116528 is 8256110891.

It is a super-2 number, since 2×1980116528² = 7841722928917549568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325418 + ... + 331446.

It is an arithmetic number, because the mean of its divisors is an integer number (103372290).

Almost surely, 2^1980116528 is an apocalyptic number.

It is an amenable number.

1980116528 is an abundant number, since it is smaller than the sum of its proper divisors (2154775072).

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

1980116528 is a wasteful number, since it uses less digits than its factorization.

1980116528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629 (or 7623 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 41.

The square root of 1980116528 is about 44498.5002893356. The cubic root of 1980116528 is about 1255.7318690079.

The spelling of 1980116528 in words is "one billion, nine hundred eighty million, one hundred sixteen thousand, five hundred twenty-eight".