1981962060 has 96 divisors (see below), whose sum is σ = 6169239552. Its totient is φ = 472124160.

The previous prime is 1981962019. The next prime is 1981962061. The reversal of 1981962060 is 602691891.

It is not an unprimeable number, because it can be changed into a prime (1981962061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16804 + ... + 65163.

It is an arithmetic number, because the mean of its divisors is an integer number (64262912).

Almost surely, 2^1981962060 is an apocalyptic number.

1981962060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1981962060 is an abundant number, since it is smaller than the sum of its proper divisors (4187277492).

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

1981962060 is a wasteful number, since it uses less digits than its factorization.

1981962060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82023 (or 82021 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1981962060 is about 44519.2324731683. The cubic root of 1981962060 is about 1256.1218753021.

The spelling of 1981962060 in words is "one billion, nine hundred eighty-one million, nine hundred sixty-two thousand, sixty".