1982718036 has 72 divisors (see below), whose sum is σ = 5632099200. Its totient is φ = 583539264.

The previous prime is 1982718019. The next prime is 1982718043. The reversal of 1982718036 is 6308172891.

It is a junction number, because it is equal to n+sod(n) for n = 1982717982 and 1982718000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81336 + ... + 102863.

It is an arithmetic number, because the mean of its divisors is an integer number (78223600).

Almost surely, 2^1982718036 is an apocalyptic number.

It is an amenable number.

1982718036 is an abundant number, since it is smaller than the sum of its proper divisors (3649381164).

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

1982718036 is a wasteful number, since it uses less digits than its factorization.

1982718036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184245 (or 184240 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1982718036 is about 44527.7221065709. The cubic root of 1982718036 is about 1256.2815617228.

The spelling of 1982718036 in words is "one billion, nine hundred eighty-two million, seven hundred eighteen thousand, thirty-six".