4444421055 has 16 divisors (see below), whose sum is σ = 7116647040. Its totient is φ = 2368500128.

The previous prime is 4444421039. The next prime is 4444421101. The reversal of 4444421055 is 5501244444.

It is a cyclic number.

It is not a de Polignac number, because 4444421055 - 2⁴ = 4444421039 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 96225 + ... + 134714.

It is an arithmetic number, because the mean of its divisors is an integer number (444790440).

Almost surely, 2^4444421055 is an apocalyptic number.

4444421055 is a deficient number, since it is larger than the sum of its proper divisors (2672225985).

4444421055 is a wasteful number, since it uses less digits than its factorization.

4444421055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232230.

The product of its (nonzero) digits is 51200, while the sum is 33.

The square root of 4444421055 is about 66666.4912456025. The cubic root of 4444421055 is about 1644.1384987154.

Adding to 4444421055 its reverse (5501244444), we get a palindrome (9945665499).

The spelling of 4444421055 in words is "four billion, four hundred forty-four million, four hundred twenty-one thousand, fifty-five".