44165071808 has 112 divisors (see below), whose sum is σ = 103265898624. Its totient is φ = 18476067840.

The previous prime is 44165071807. The next prime is 44165071823. The reversal of 44165071808 is 80817056144.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44165071807) 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 15 ways as a sum of consecutive naturals, for example, 3168791 + ... + 3182697.

It is an arithmetic number, because the mean of its divisors is an integer number (922016952).

Almost surely, 2^44165071808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44165071808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51632949312).

44165071808 is an abundant number, since it is smaller than the sum of its proper divisors (59100826816).

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

44165071808 is a wasteful number, since it uses less digits than its factorization.

44165071808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14290 (or 14280 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 44165071808 in words is "forty-four billion, one hundred sixty-five million, seventy-one thousand, eight hundred eight".