1980912384 has 216 divisors, whose sum is σ = 6367076352. Its totient is φ = 587151360.

The previous prime is 1980912371. The next prime is 1980912389. The reversal of 1980912384 is 4832190891.

It is not an unprimeable number, because it can be changed into a prime (1980912389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1190337 + ... + 1191999.

Almost surely, 2^1980912384 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 1980912384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3183538176).

1980912384 is an abundant number, since it is smaller than the sum of its proper divisors (4386163968).

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

1980912384 is a wasteful number, since it uses less digits than its factorization.

1980912384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1980912384 is about 44507.4418945866. The cubic root of 1980912384 is about 1255.9000826570.

The spelling of 1980912384 in words is "one billion, nine hundred eighty million, nine hundred twelve thousand, three hundred eighty-four".