2089444845440 has 384 divisors, whose sum is σ = 5434867860480. Its totient is φ = 767770787840.

The previous prime is 2089444845431. The next prime is 2089444845469. The reversal of 2089444845440 is 445484449802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405140377 + ... + 1405141863.

It is an arithmetic number, because the mean of its divisors is an integer number (14153301720).

Almost surely, 2^{2089444845440} is an apocalyptic number.

2089444845440 is a gapful number since it is divisible by the number (20) 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 2089444845440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717433930240).

2089444845440 is an abundant number, since it is smaller than the sum of its proper divisors (3345423015040).

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

2089444845440 is a wasteful number, since it uses less digits than its factorization.

2089444845440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 56.

The spelling of 2089444845440 in words is "two trillion, eighty-nine billion, four hundred forty-four million, eight hundred forty-five thousand, four hundred forty".