440345505 has 8 divisors (see below), whose sum is σ = 704552832. Its totient is φ = 234850928.

The previous prime is 440345471. The next prime is 440345513. The reversal of 440345505 is 505543044.

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 440345505 - 2⁸ = 440345249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14678169 + ... + 14678198.

It is an arithmetic number, because the mean of its divisors is an integer number (88069104).

Almost surely, 2^440345505 is an apocalyptic number.

It is an amenable number.

440345505 is a deficient number, since it is larger than the sum of its proper divisors (264207327).

440345505 is a wasteful number, since it uses less digits than its factorization.

440345505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29356375.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 440345505 is about 20984.4109995968. The cubic root of 440345505 is about 760.7895217464.

Adding to 440345505 its reverse (505543044), we get a palindrome (945888549).

The spelling of 440345505 in words is "four hundred forty million, three hundred forty-five thousand, five hundred five".