4407043695616 has 165 divisors, whose sum is σ = 9401805367039. Its totient is φ = 2064766779392.

The previous prime is 4407043695541. The next prime is 4407043695619. The reversal of 4407043695616 is 6165963407044.

The square root of 4407043695616 is 2099296.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1367739606016 + 3039304089600 = 1169504^2 + 1743360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4407043695619) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 19414289295 + ... + 19414289521.

Almost surely, 2^{4407043695616} is an apocalyptic number.

4407043695616 is the 2099296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4407043695616

4407043695616 is an abundant number, since it is smaller than the sum of its proper divisors (4994761671423).

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

4407043695616 is an frugal number, since it uses more digits than its factorization.

4407043695616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 4407043695616 in words is "four trillion, four hundred seven billion, forty-three million, six hundred ninety-five thousand, six hundred sixteen".