44228672465 has 4 divisors (see below), whose sum is σ = 53074406964. Its totient is φ = 35382937968.

The previous prime is 44228672419. The next prime is 44228672513. The reversal of 44228672465 is 56427682244.

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 25932593296 + 18296079169 = 161036^2 + 135263^2 .

It is a cyclic number.

It is not a de Polignac number, because 44228672465 - 2⁸ = 44228672209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4422867242 + ... + 4422867251.

It is an arithmetic number, because the mean of its divisors is an integer number (13268601741).

Almost surely, 2^44228672465 is an apocalyptic number.

It is an amenable number.

44228672465 is a deficient number, since it is larger than the sum of its proper divisors (8845734499).

44228672465 is an equidigital number, since it uses as much as digits as its factorization.

44228672465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845734498.

The product of its digits is 5160960, while the sum is 50.

The spelling of 44228672465 in words is "forty-four billion, two hundred twenty-eight million, six hundred seventy-two thousand, four hundred sixty-five".