4400321025 has 24 divisors (see below), whose sum is σ = 7412472000. Its totient is φ = 2302555840.

The previous prime is 4400320999. The next prime is 4400321027. The reversal of 4400321025 is 5201230044.

It is not a de Polignac number, because 4400321025 - 2¹⁵ = 4400288257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4400320992 and 4400321010.

It is not an unprimeable number, because it can be changed into a prime (4400321027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549525 + ... + 557474.

It is an arithmetic number, because the mean of its divisors is an integer number (308853000).

Almost surely, 2^4400321025 is an apocalyptic number.

It is an amenable number.

4400321025 is a deficient number, since it is larger than the sum of its proper divisors (3012150975).

4400321025 is a wasteful number, since it uses less digits than its factorization.

4400321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107065 (or 1107060 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4400321025 is about 66334.9155799568. The cubic root of 4400321025 is about 1638.6823921429.

Adding to 4400321025 its reverse (5201230044), we get a palindrome (9601551069).

The spelling of 4400321025 in words is "four billion, four hundred million, three hundred twenty-one thousand, twenty-five".