4424442254421 has 32 divisors (see below), whose sum is σ = 7107565682688. Its totient is φ = 2394638795520.

The previous prime is 4424442254417. The next prime is 4424442254423. The reversal of 4424442254421 is 1244522444244.

It is not a de Polignac number, because 4424442254421 - 2² = 4424442254417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424442254423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72271300 + ... + 72332493.

It is an arithmetic number, because the mean of its divisors is an integer number (222111427584).

Almost surely, 2^{4424442254421} is an apocalyptic number.

It is an amenable number.

4424442254421 is a deficient number, since it is larger than the sum of its proper divisors (2683123428267).

4424442254421 is a wasteful number, since it uses less digits than its factorization.

4424442254421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144603881.

The product of its digits is 1310720, while the sum is 42.

Adding to 4424442254421 its reverse (1244522444244), we get a palindrome (5668964698665).

The spelling of 4424442254421 in words is "four trillion, four hundred twenty-four billion, four hundred forty-two million, two hundred fifty-four thousand, four hundred twenty-one".