4505444321 has 16 divisors (see below), whose sum is σ = 5346950400. Its totient is φ = 3714422208.

The previous prime is 4505444297. The next prime is 4505444347. The reversal of 4505444321 is 1234445054.

It is not a de Polignac number, because 4505444321 - 2¹⁴ = 4505427937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4505444351) 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 15 ways as a sum of consecutive naturals, for example, 11195 + ... + 95583.

It is an arithmetic number, because the mean of its divisors is an integer number (334184400).

Almost surely, 2^4505444321 is an apocalyptic number.

It is an amenable number.

4505444321 is a deficient number, since it is larger than the sum of its proper divisors (841506079).

4505444321 is a wasteful number, since it uses less digits than its factorization.

4505444321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84688.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4505444321 is about 67122.6066314472. The cubic root of 4505444321 is about 1651.6291617440.

Adding to 4505444321 its reverse (1234445054), we get a palindrome (5739889375).

The spelling of 4505444321 in words is "four billion, five hundred five million, four hundred forty-four thousand, three hundred twenty-one".