6642355230 has 72 divisors (see below), whose sum is σ = 20089748952. Its totient is φ = 1518251616.

The previous prime is 6642355201. The next prime is 6642355259. The reversal of 6642355230 is 325532466.

6642355230 is a `hidden beast` number, since 6 + 642 + 3 + 5 + 5 + 2 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6642355201) and next prime (6642355259).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 748692 + ... + 757511.

It is an arithmetic number, because the mean of its divisors is an integer number (279024291).

Almost surely, 2^6642355230 is an apocalyptic number.

6642355230 is an abundant number, since it is smaller than the sum of its proper divisors (13447393722).

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

6642355230 is a wasteful number, since it uses less digits than its factorization.

6642355230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506230 (or 1506220 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 6642355230 is about 81500.6455802652. The cubic root of 6642355230 is about 1879.7814773548.

Adding to 6642355230 its reverse (325532466), we get a palindrome (6967887696).

The spelling of 6642355230 in words is "six billion, six hundred forty-two million, three hundred fifty-five thousand, two hundred thirty".