6982581440 has 28 divisors (see below), whose sum is σ = 16627272816. Its totient is φ = 2793032448.

The previous prime is 6982581439. The next prime is 6982581443. The reversal of 6982581440 is 441852896.

It is not an unprimeable number, because it can be changed into a prime (6982581443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10909964 + ... + 10910603.

It is an arithmetic number, because the mean of its divisors is an integer number (593831172).

Almost surely, 2^6982581440 is an apocalyptic number.

It is an amenable number.

6982581440 is an abundant number, since it is smaller than the sum of its proper divisors (9644691376).

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

6982581440 is a wasteful number, since it uses less digits than its factorization.

6982581440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820584 (or 21820574 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 6982581440 is about 83561.8420093765. The cubic root of 6982581440 is about 1911.3431740713.

The spelling of 6982581440 in words is "six billion, nine hundred eighty-two million, five hundred eighty-one thousand, four hundred forty".