4432121443432 has 8 divisors (see below), whose sum is σ = 8310227706450. Its totient is φ = 2216060721712.

The previous prime is 4432121443427. The next prime is 4432121443439. The reversal of 4432121443432 is 2343441212344.

It can be written as a sum of positive squares in only one way, i.e., 3728042702596 + 704078740836 = 1930814^2 + 839094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 4432121443391 and 4432121443400.

It is not an unprimeable number, because it can be changed into a prime (4432121443439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277007590207 + ... + 277007590222.

Almost surely, 2^{4432121443432} is an apocalyptic number.

It is an amenable number.

4432121443432 is a deficient number, since it is larger than the sum of its proper divisors (3878106263018).

4432121443432 is a wasteful number, since it uses less digits than its factorization.

4432121443432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554015180435 (or 554015180431 counting only the distinct ones).

The product of its digits is 221184, while the sum is 37.

Adding to 4432121443432 its reverse (2343441212344), we get a palindrome (6775562655776).

The spelling of 4432121443432 in words is "four trillion, four hundred thirty-two billion, one hundred twenty-one million, four hundred forty-three thousand, four hundred thirty-two".