4444012321 has 48 divisors (see below), whose sum is σ = 5536788480. Its totient is φ = 3548603520.

The previous prime is 4444012319. The next prime is 4444012351. The reversal of 4444012321 is 1232104444.

It is not a de Polignac number, because 4444012321 - 2¹ = 4444012319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444012351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8730615 + ... + 8731123.

It is an arithmetic number, because the mean of its divisors is an integer number (115349760).

Almost surely, 2^4444012321 is an apocalyptic number.

It is an amenable number.

4444012321 is a deficient number, since it is larger than the sum of its proper divisors (1092776159).

4444012321 is a wasteful number, since it uses less digits than its factorization.

4444012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4444012321 is about 66663.4256620525. The cubic root of 4444012321 is about 1644.0880957571.

Adding to 4444012321 its reverse (1232104444), we get a palindrome (5676116765).

The spelling of 4444012321 in words is "four billion, four hundred forty-four million, twelve thousand, three hundred twenty-one".