440354441 has 4 divisors (see below), whose sum is σ = 444394500. Its totient is φ = 436314384.

The previous prime is 440354429. The next prime is 440354459. The reversal of 440354441 is 144453044.

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 122766400 + 317588041 = 11080^2 + 17821^2 .

It is a cyclic number.

It is not a de Polignac number, because 440354441 - 2⁶ = 440354377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440354401) 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, 2019866 + ... + 2020083.

It is an arithmetic number, because the mean of its divisors is an integer number (111098625).

Almost surely, 2^440354441 is an apocalyptic number.

It is an amenable number.

440354441 is a deficient number, since it is larger than the sum of its proper divisors (4040059).

440354441 is a wasteful number, since it uses less digits than its factorization.

440354441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040058.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 440354441 is about 20984.6239184790. The cubic root of 440354441 is about 760.7946679851.

The spelling of 440354441 in words is "four hundred forty million, three hundred fifty-four thousand, four hundred forty-one".