44019398868 has 48 divisors (see below), whose sum is σ = 108792440064. Its totient is φ = 13805102080.

The previous prime is 44019398867. The next prime is 44019398921. The reversal of 44019398868 is 86889391044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44019398867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560248 + ... + 633968.

It is an arithmetic number, because the mean of its divisors is an integer number (2266509168).

Almost surely, 2^44019398868 is an apocalyptic number.

It is an amenable number.

44019398868 is an abundant number, since it is smaller than the sum of its proper divisors (64773041196).

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

44019398868 is a wasteful number, since it uses less digits than its factorization.

44019398868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76672 (or 76670 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 44019398868 in words is "forty-four billion, nineteen million, three hundred ninety-eight thousand, eight hundred sixty-eight".