4440120255445 has 8 divisors (see below), whose sum is σ = 6089307778944. Its totient is φ = 3044653889424.

The previous prime is 4440120255379. The next prime is 4440120255449. The reversal of 4440120255445 is 5445520210444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4440120255445 - 2¹³ = 4440120247253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4440120255398 and 4440120255407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440120255449) 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, 63430289329 + ... + 63430289398.

It is an arithmetic number, because the mean of its divisors is an integer number (761163472368).

Almost surely, 2^{4440120255445} is an apocalyptic number.

It is an amenable number.

4440120255445 is a deficient number, since it is larger than the sum of its proper divisors (1649187523499).

4440120255445 is a wasteful number, since it uses less digits than its factorization.

4440120255445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126860578739.

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 4440120255445 its reverse (5445520210444), we get a palindrome (9885640465889).

The spelling of 4440120255445 in words is "four trillion, four hundred forty billion, one hundred twenty million, two hundred fifty-five thousand, four hundred forty-five".