8444408121332 has 6 divisors (see below), whose sum is σ = 14777714212338. Its totient is φ = 4222204060664.

The previous prime is 8444408121329. The next prime is 8444408121337. The reversal of 8444408121332 is 2331218044448.

It can be written as a sum of positive squares in only one way, i.e., 7923245410276 + 521162711056 = 2814826^2 + 721916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444408121337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055551015163 + ... + 1055551015170.

It is an arithmetic number, because the mean of its divisors is an integer number (2462952368723).

Almost surely, 2^{8444408121332} is an apocalyptic number.

It is an amenable number.

8444408121332 is a deficient number, since it is larger than the sum of its proper divisors (6333306091006).

8444408121332 is a wasteful number, since it uses less digits than its factorization.

8444408121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111102030337 (or 2111102030335 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 8444408121332 in words is "eight trillion, four hundred forty-four billion, four hundred eight million, one hundred twenty-one thousand, three hundred thirty-two".