1444232401 has 4 divisors (see below), whose sum is σ = 1467908404. Its totient is φ = 1420556400.

The previous prime is 1444232381. The next prime is 1444232423. The reversal of 1444232401 is 1042324441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042324441 = 73 ⋅14278417.

It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 1429974225 = 3776^2 + 37815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444232401 - 2¹¹ = 1444230353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444238401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11837910 + ... + 11838031.

It is an arithmetic number, because the mean of its divisors is an integer number (366977101).

Almost surely, 2^1444232401 is an apocalyptic number.

It is an amenable number.

1444232401 is a deficient number, since it is larger than the sum of its proper divisors (23676003).

1444232401 is an equidigital number, since it uses as much as digits as its factorization.

1444232401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676002.

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

The square root of 1444232401 is about 38003.0577848678. The cubic root of 1444232401 is about 1130.3484974654.

Adding to 1444232401 its reverse (1042324441), we get a palindrome (2486556842).

The spelling of 1444232401 in words is "one billion, four hundred forty-four million, two hundred thirty-two thousand, four hundred one".