6649482000 has 640 divisors, whose sum is σ = 26518302720. Its totient is φ = 1398988800.

The previous prime is 6649481977. The next prime is 6649482001. The reversal of 6649482000 is 2849466.

It is a super-2 number, since 2×6649482000² = 88431221736648000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6649482000.

It is not an unprimeable number, because it can be changed into a prime (6649482001) 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 127 ways as a sum of consecutive naturals, for example, 47837931 + ... + 47838069.

It is an arithmetic number, because the mean of its divisors is an integer number (41434848).

Almost surely, 2^6649482000 is an apocalyptic number.

6649482000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6649482000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13259151360).

6649482000 is an abundant number, since it is smaller than the sum of its proper divisors (19868820720).

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

6649482000 is a wasteful number, since it uses less digits than its factorization.

6649482000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 6649482000 is about 81544.3560278699. The cubic root of 6649482000 is about 1880.4535272213.

The spelling of 6649482000 in words is "six billion, six hundred forty-nine million, four hundred eighty-two thousand".