44444181385 has 8 divisors (see below), whose sum is σ = 53421761736. Its totient is φ = 35496182400.

The previous prime is 44444181373. The next prime is 44444181413. The reversal of 44444181385 is 58318144444.

It can be written as a sum of positive squares in 4 ways, for example, as 20094763536 + 24349417849 = 141756^2 + 156043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44444181385 - 2¹¹ = 44444179337 is a prime.

It is a Duffinian number.

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, 7392034 + ... + 7398043.

It is an arithmetic number, because the mean of its divisors is an integer number (6677720217).

Almost surely, 2^44444181385 is an apocalyptic number.

It is an amenable number.

44444181385 is a deficient number, since it is larger than the sum of its proper divisors (8977580351).

44444181385 is a wasteful number, since it uses less digits than its factorization.

44444181385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790683.

The product of its digits is 983040, while the sum is 46.

The spelling of 44444181385 in words is "forty-four billion, four hundred forty-four million, one hundred eighty-one thousand, three hundred eighty-five".