44068785385 has 4 divisors (see below), whose sum is σ = 52882542468. Its totient is φ = 35255028304.

The previous prime is 44068785379. The next prime is 44068785463. The reversal of 44068785385 is 58358786044.

It is a happy number.

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 24872128681 + 19196656704 = 157709^2 + 138552^2 .

It is a cyclic number.

It is not a de Polignac number, because 44068785385 - 2⁹ = 44068784873 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 4406878534 + ... + 4406878543.

It is an arithmetic number, because the mean of its divisors is an integer number (13220635617).

Almost surely, 2^44068785385 is an apocalyptic number.

It is an amenable number.

44068785385 is a deficient number, since it is larger than the sum of its proper divisors (8813757083).

44068785385 is an equidigital number, since it uses as much as digits as its factorization.

44068785385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813757082.

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 44068785385 in words is "forty-four billion, sixty-eight million, seven hundred eighty-five thousand, three hundred eighty-five".