44140441 has 4 divisors (see below), whose sum is σ = 44462772. Its totient is φ = 43818112.

The previous prime is 44140429. The next prime is 44140463. The reversal of 44140441 is 14404144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31036041 + 13104400 = 5571^2 + 3620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44140441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44141441) 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, 160960 + ... + 161233.

It is an arithmetic number, because the mean of its divisors is an integer number (11115693).

Almost surely, 2^44140441 is an apocalyptic number.

It is an amenable number.

44140441 is a deficient number, since it is larger than the sum of its proper divisors (322331).

44140441 is a wasteful number, since it uses less digits than its factorization.

44140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322330.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 44140441 is about 6643.8272855335. The cubic root of 44140441 is about 353.4100449516.

Adding to 44140441 its reverse (14404144), we get a palindrome (58544585).

The spelling of 44140441 in words is "forty-four million, one hundred forty thousand, four hundred forty-one".