12644840230 has 16 divisors (see below), whose sum is σ = 24829868304. Its totient is φ = 4598123680.

The previous prime is 12644840209. The next prime is 12644840237. The reversal of 12644840230 is 3204844621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12644840237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57476437 + ... + 57476656.

It is an arithmetic number, because the mean of its divisors is an integer number (1551866769).

Almost surely, 2^12644840230 is an apocalyptic number.

12644840230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12644840230 is a deficient number, since it is larger than the sum of its proper divisors (12185028074).

12644840230 is a wasteful number, since it uses less digits than its factorization.

12644840230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114953111.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 12644840230 in words is "twelve billion, six hundred forty-four million, eight hundred forty thousand, two hundred thirty".