44192220845 has 18 divisors (see below), whose sum is σ = 54379358334. Its totient is φ = 34476447360.

The previous prime is 44192220829. The next prime is 44192220869. The reversal of 44192220845 is 54802229144.

44192220845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 39647977924 + 4544242921 = 199118^2 + 67411^2 .

It is not a de Polignac number, because 44192220845 - 2⁴ = 44192220829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19271519 + ... + 19273811.

It is an arithmetic number, because the mean of its divisors is an integer number (3021075463).

Almost surely, 2^44192220845 is an apocalyptic number.

It is an amenable number.

44192220845 is a deficient number, since it is larger than the sum of its proper divisors (10187137489).

44192220845 is an frugal number, since it uses more digits than its factorization.

44192220845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

Adding to 44192220845 its reverse (54802229144), we get a palindrome (98994449989).

The spelling of 44192220845 in words is "forty-four billion, one hundred ninety-two million, two hundred twenty thousand, eight hundred forty-five".