1982755880 has 64 divisors (see below), whose sum is σ = 5102352000. Its totient is φ = 679290624.

The previous prime is 1982755837. The next prime is 1982755913. The reversal of 1982755880 is 885572891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709526 + ... + 712314.

It is an arithmetic number, because the mean of its divisors is an integer number (79724250).

Almost surely, 2^1982755880 is an apocalyptic number.

1982755880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982755880 is an abundant number, since it is smaller than the sum of its proper divisors (3119596120).

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

1982755880 is a wasteful number, since it uses less digits than its factorization.

1982755880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346 (or 5342 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 53.

The square root of 1982755880 is about 44528.1470532965. The cubic root of 1982755880 is about 1256.2895545246.

The spelling of 1982755880 in words is "one billion, nine hundred eighty-two million, seven hundred fifty-five thousand, eight hundred eighty".