2144440441 has 8 divisors (see below), whose sum is σ = 2519342784. Its totient is φ = 1799530320.

The previous prime is 2144440439. The next prime is 2144440447. The reversal of 2144440441 is 1440444412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144440441 - 2¹ = 2144440439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144440447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7497901 + ... + 7498186.

It is an arithmetic number, because the mean of its divisors is an integer number (314917848).

Almost surely, 2^2144440441 is an apocalyptic number.

It is an amenable number.

2144440441 is a deficient number, since it is larger than the sum of its proper divisors (374902343).

2144440441 is a wasteful number, since it uses less digits than its factorization.

2144440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14996111.

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 2144440441 is about 46308.1034053436. The cubic root of 2144440441 is about 1289.5494372243.

Adding to 2144440441 its reverse (1440444412), we get a palindrome (3584884853).

The spelling of 2144440441 in words is "two billion, one hundred forty-four million, four hundred forty thousand, four hundred forty-one".