32440144434 has 16 divisors (see below), whose sum is σ = 64883945280. Its totient is φ = 10812772080.

The previous prime is 32440144421. The next prime is 32440144439. The reversal of 32440144434 is 43444104423.

It is a junction number, because it is equal to n+sod(n) for n = 32440144395 and 32440144404.

It is not an unprimeable number, because it can be changed into a prime (32440144439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29377 + ... + 256404.

It is an arithmetic number, because the mean of its divisors is an integer number (4055246580).

Almost surely, 2^32440144434 is an apocalyptic number.

32440144434 is an abundant number, since it is smaller than the sum of its proper divisors (32443800846).

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

32440144434 is a wasteful number, since it uses less digits than its factorization.

32440144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304705.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 32440144434 its reverse (43444104423), we get a palindrome (75884248857).

The spelling of 32440144434 in words is "thirty-two billion, four hundred forty million, one hundred forty-four thousand, four hundred thirty-four".