1444322401 has 2 divisors, whose sum is σ = 1444322402. Its totient is φ = 1444322400.

The previous prime is 1444322389. The next prime is 1444322441. The reversal of 1444322401 is 1042234441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1425138001 + 19184400 = 37751^2 + 4380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444322401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444322441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722161200 + 722161201.

It is an arithmetic number, because the mean of its divisors is an integer number (722161201).

Almost surely, 2^1444322401 is an apocalyptic number.

It is an amenable number.

1444322401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444322401 is an equidigital number, since it uses as much as digits as its factorization.

1444322401 is an evil number, because the sum of its binary digits is even.

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

The square root of 1444322401 is about 38004.2418816637. The cubic root of 1444322401 is about 1130.3719768933.

Adding to 1444322401 its reverse (1042234441), we get a palindrome (2486556842).

The spelling of 1444322401 in words is "one billion, four hundred forty-four million, three hundred twenty-two thousand, four hundred one".