6642626224 has 40 divisors (see below), whose sum is σ = 13904512832. Its totient is φ = 3056002560.

The previous prime is 6642626143. The next prime is 6642626227. The reversal of 6642626224 is 4226262466.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6642626227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14089 + ... + 116119.

Almost surely, 2^6642626224 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 6642626224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6952256416).

6642626224 is an abundant number, since it is smaller than the sum of its proper divisors (7261886608).

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

6642626224 is a wasteful number, since it uses less digits than its factorization.

6642626224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102365 (or 102359 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The square root of 6642626224 is about 81502.3080900167. The cubic root of 6642626224 is about 1879.8070407058.

The spelling of 6642626224 in words is "six billion, six hundred forty-two million, six hundred twenty-six thousand, two hundred twenty-four".