1440441 has 6 divisors (see below), whose sum is σ = 2080650. Its totient is φ = 960288.

The previous prime is 1440437. The next prime is 1440443.

1440441 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 441 = 1200^2 + 21^2 .

It is not a de Polignac number, because 1440441 - 2² = 1440437 is a prime.

It is a Curzon number.

1440441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1440443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80016 + ... + 80033.

It is an arithmetic number, because the mean of its divisors is an integer number (346775).

2^1440441 is an apocalyptic number.

It is an amenable number.

1440441 is a deficient number, since it is larger than the sum of its proper divisors (640209).

1440441 is a wasteful number, since it uses less digits than its factorization.

1440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160055 (or 160052 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1440441 is about 1200.1837359338. The cubic root of 1440441 is about 112.9358499805.

It can be divided in two parts, 1440 and 441, that added together give a palindrome (1881).

The spelling of 1440441 in words is "one million, four hundred forty thousand, four hundred forty-one".