4442440240055 has 4 divisors (see below), whose sum is σ = 5330928288072. Its totient is φ = 3553952192040.

The previous prime is 4442440240039. The next prime is 4442440240061. The reversal of 4442440240055 is 5500420442444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4442440240055 - 2⁴ = 4442440240039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 444244024001 + ... + 444244024010.

It is an arithmetic number, because the mean of its divisors is an integer number (1332732072018).

Almost surely, 2^{4442440240055} is an apocalyptic number.

4442440240055 is a deficient number, since it is larger than the sum of its proper divisors (888488048017).

4442440240055 is an equidigital number, since it uses as much as digits as its factorization.

4442440240055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888488048016.

The product of its (nonzero) digits is 409600, while the sum is 38.

Adding to 4442440240055 its reverse (5500420442444), we get a palindrome (9942860682499).

The spelling of 4442440240055 in words is "four trillion, four hundred forty-two billion, four hundred forty million, two hundred forty thousand, fifty-five".