1982547008 has 112 divisors (see below), whose sum is σ = 4448470656. Its totient is φ = 869806080.

The previous prime is 1982546983. The next prime is 1982547011. The reversal of 1982547008 is 8007452891.

It is a self number, because there is not a number n which added to its sum of digits gives 1982547008.

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, 5989403 + ... + 5989733.

It is an arithmetic number, because the mean of its divisors is an integer number (39718488).

Almost surely, 2^1982547008 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 1982547008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224235328).

1982547008 is an abundant number, since it is smaller than the sum of its proper divisors (2465923648).

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

1982547008 is a wasteful number, since it uses less digits than its factorization.

1982547008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1982547008 is about 44525.8015986237. The cubic root of 1982547008 is about 1256.2454386673.

Adding to 1982547008 its reverse (8007452891), we get a palindrome (9989999899).

The spelling of 1982547008 in words is "one billion, nine hundred eighty-two million, five hundred forty-seven thousand, eight".