44421774789 has 16 divisors (see below), whose sum is σ = 68138608640. Its totient is φ = 25215764400.

The previous prime is 44421774779. The next prime is 44421774791. The reversal of 44421774789 is 98747712444.

It is not a de Polignac number, because 44421774789 - 2⁹ = 44421774277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421774769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7001209 + ... + 7007550.

It is an arithmetic number, because the mean of its divisors is an integer number (4258663040).

Almost surely, 2^44421774789 is an apocalyptic number.

It is an amenable number.

44421774789 is a deficient number, since it is larger than the sum of its proper divisors (23716833851).

44421774789 is a wasteful number, since it uses less digits than its factorization.

44421774789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008920.

The product of its digits is 12644352, while the sum is 57.

The spelling of 44421774789 in words is "forty-four billion, four hundred twenty-one million, seven hundred seventy-four thousand, seven hundred eighty-nine".