6602442290 has 8 divisors (see below), whose sum is σ = 11884396140. Its totient is φ = 2640976912.

The previous prime is 6602442283. The next prime is 6602442293. The reversal of 6602442290 is 922442066.

It can be written as a sum of positive squares in 2 ways, for example, as 5330022049 + 1272420241 = 73007^2 + 35671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6602442290.

It is not an unprimeable number, because it can be changed into a prime (6602442293) 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, 330122105 + ... + 330122124.

Almost surely, 2^6602442290 is an apocalyptic number.

6602442290 is a deficient number, since it is larger than the sum of its proper divisors (5281953850).

6602442290 is a wasteful number, since it uses less digits than its factorization.

6602442290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660244236.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 6602442290 is about 81255.4139119357. The cubic root of 6602442290 is about 1876.0088001930.

The spelling of 6602442290 in words is "six billion, six hundred two million, four hundred forty-two thousand, two hundred ninety".