6642536230 has 64 divisors (see below), whose sum is σ = 13772229120. Its totient is φ = 2281305600.

The previous prime is 6642536213. The next prime is 6642536317. The reversal of 6642536230 is 326352466.

It is a super-2 number, since 2×6642536230² = 88246575133725225800, 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 6642536230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699615 + ... + 709045.

It is an arithmetic number, because the mean of its divisors is an integer number (215191080).

Almost surely, 2^6642536230 is an apocalyptic number.

6642536230 is an abundant number, since it is smaller than the sum of its proper divisors (7129692890).

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

6642536230 is a wasteful number, since it uses less digits than its factorization.

6642536230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 6642536230 is about 81501.7559933527. The cubic root of 6642536230 is about 1879.7985514871.

Adding to 6642536230 its reverse (326352466), we get a palindrome (6968888696).

The spelling of 6642536230 in words is "six billion, six hundred forty-two million, five hundred thirty-six thousand, two hundred thirty".