44421774788 has 12 divisors (see below), whose sum is σ = 78898376592. Its totient is φ = 21879381480.

The previous prime is 44421774779. The next prime is 44421774791. The reversal of 44421774788 is 88747712444.

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, 82876178 + ... + 82876713.

It is an arithmetic number, because the mean of its divisors is an integer number (6574864716).

Almost surely, 2^44421774788 is an apocalyptic number.

It is an amenable number.

44421774788 is a deficient number, since it is larger than the sum of its proper divisors (34476601804).

44421774788 is a wasteful number, since it uses less digits than its factorization.

44421774788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165752962 (or 165752960 counting only the distinct ones).

The product of its digits is 11239424, while the sum is 56.

The spelling of 44421774788 in words is "forty-four billion, four hundred twenty-one million, seven hundred seventy-four thousand, seven hundred eighty-eight".