44391768 has 32 divisors (see below), whose sum is σ = 111144960. Its totient is φ = 14775200.

The previous prime is 44391761. The next prime is 44391769. The reversal of 44391768 is 86719344.

44391768 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 not an unprimeable number, because it can be changed into a prime (44391761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26821 + ... + 28427.

It is an arithmetic number, because the mean of its divisors is an integer number (3473280).

Almost surely, 2^44391768 is an apocalyptic number.

It is an amenable number.

44391768 is an abundant number, since it is smaller than the sum of its proper divisors (66753192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44391768 is a wasteful number, since it uses less digits than its factorization.

44391768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767 (or 2763 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 44391768 is about 6662.7147620171. The cubic root of 44391768 is about 354.0795250491.

The spelling of 44391768 in words is "forty-four million, three hundred ninety-one thousand, seven hundred sixty-eight".