440216419697 has 4 divisors (see below), whose sum is σ = 445788779520. Its totient is φ = 434644059876.

The previous prime is 440216419609. The next prime is 440216419711. The reversal of 440216419697 is 796914612044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440216419697 - 2⁸ = 440216419441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440216019697) 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, 2786179793 + ... + 2786179950.

It is an arithmetic number, because the mean of its divisors is an integer number (111447194880).

Almost surely, 2^440216419697 is an apocalyptic number.

It is an amenable number.

440216419697 is a deficient number, since it is larger than the sum of its proper divisors (5572359823).

440216419697 is an equidigital number, since it uses as much as digits as its factorization.

440216419697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572359822.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 440216419697 in words is "four hundred forty billion, two hundred sixteen million, four hundred nineteen thousand, six hundred ninety-seven".