44388919772 has 6 divisors (see below), whose sum is σ = 77680609608. Its totient is φ = 22194459884.

The previous prime is 44388919769. The next prime is 44388919789. The reversal of 44388919772 is 27791988344.

44388919772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5548614968 + ... + 5548614975.

It is an arithmetic number, because the mean of its divisors is an integer number (12946768268).

Almost surely, 2^44388919772 is an apocalyptic number.

It is an amenable number.

44388919772 is a deficient number, since it is larger than the sum of its proper divisors (33291689836).

44388919772 is a wasteful number, since it uses less digits than its factorization.

44388919772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097229947 (or 11097229945 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 62.

The spelling of 44388919772 in words is "forty-four billion, three hundred eighty-eight million, nine hundred nineteen thousand, seven hundred seventy-two".