1444444441 has 16 divisors (see below), whose sum is σ = 1634227200. Its totient is φ = 1264636800.

The previous prime is 1444444439. The next prime is 1444444447.

It is a happy number.

1444444441 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1444444441 - 2¹ = 1444444439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444444397 and 1444444406.

It is not an unprimeable number, because it can be changed into a prime (1444444447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124936 + ... + 136006.

It is an arithmetic number, because the mean of its divisors is an integer number (102139200).

Almost surely, 2^1444444441 is an apocalyptic number.

1444444441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444444441 is a deficient number, since it is larger than the sum of its proper divisors (189782759).

1444444441 is a wasteful number, since it uses less digits than its factorization.

1444444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520.

The product of its digits is 65536, while the sum is 34.

The square root of 1444444441 is about 38005.8474579899. The cubic root of 1444444441 is about 1130.4038134395.

It can be divided in two parts, 14444 and 44441, that added together give a palindrome (58885).

The spelling of 1444444441 in words is "one billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-one".