44388790000 has 100 divisors (see below), whose sum is σ = 107755413480. Its totient is φ = 17708320000.

The previous prime is 44388789989. The next prime is 44388790003. The reversal of 44388790000 is 9788344.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44388790003) 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 19 ways as a sum of consecutive naturals, for example, 3884295 + ... + 3895705.

Almost surely, 2^44388790000 is an apocalyptic number.

44388790000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44388790000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53877706740).

44388790000 is an abundant number, since it is smaller than the sum of its proper divisors (63366623480).

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

44388790000 is a wasteful number, since it uses less digits than its factorization.

44388790000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828 (or 11807 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 44388790000 in words is "forty-four billion, three hundred eighty-eight million, seven hundred ninety thousand".