440004441 has 8 divisors (see below), whose sum is σ = 586831744. Its totient is φ = 293256720.

The previous prime is 440004427. The next prime is 440004449. The reversal of 440004441 is 144400044.

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

It is not a de Polignac number, because 440004441 - 2⁶ = 440004377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440004449) 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, 5506 + ... + 30171.

It is an arithmetic number, because the mean of its divisors is an integer number (73353968).

Almost surely, 2^440004441 is an apocalyptic number.

It is an amenable number.

440004441 is a deficient number, since it is larger than the sum of its proper divisors (146827303).

440004441 is a wasteful number, since it uses less digits than its factorization.

440004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39791.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 440004441 is about 20976.2828213199. The cubic root of 440004441 is about 760.5930510697.

Adding to 440004441 its reverse (144400044), we get a palindrome (584404485).

The spelling of 440004441 in words is "four hundred forty million, four thousand, four hundred forty-one".