44204145018 has 64 divisors (see below), whose sum is σ = 97696972800. Its totient is φ = 13222440000.

The previous prime is 44204144983. The next prime is 44204145047. The reversal of 44204145018 is 81054140244.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 44204145018.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1654768 + ... + 1681268.

It is an arithmetic number, because the mean of its divisors is an integer number (1526515200).

Almost surely, 2^44204145018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44204145018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48848486400).

44204145018 is an abundant number, since it is smaller than the sum of its proper divisors (53492827782).

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

44204145018 is a wasteful number, since it uses less digits than its factorization.

44204145018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26843.

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 44204145018 in words is "forty-four billion, two hundred four million, one hundred forty-five thousand, eighteen".