1980219328 has 28 divisors (see below), whose sum is σ = 3931627392. Its totient is φ = 989573120.

The previous prime is 1980219299. The next prime is 1980219341. The reversal of 1980219328 is 8239120891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127776 + ... + 142432.

It is an arithmetic number, because the mean of its divisors is an integer number (140415264).

Almost surely, 2^1980219328 is an apocalyptic number.

It is an amenable number.

1980219328 is a deficient number, since it is larger than the sum of its proper divisors (1951408064).

1980219328 is a wasteful number, since it uses less digits than its factorization.

1980219328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780 (or 16770 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 1980219328 is about 44499.6553694520. The cubic root of 1980219328 is about 1255.7535995476.

The spelling of 1980219328 in words is "one billion, nine hundred eighty million, two hundred nineteen thousand, three hundred twenty-eight".