9000005500044 has 144 divisors (see below), whose sum is σ = 24593202335520. Its totient is φ = 2758704399360.

The previous prime is 9000005500021. The next prime is 9000005500051. The reversal of 9000005500044 is 4400055000009.

It is a junction number, because it is equal to n+sod(n) for n = 9000005499990 and 9000005500017.

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, 950666599 + ... + 950676065.

It is an arithmetic number, because the mean of its divisors is an integer number (170786127330).

Almost surely, 2^{9000005500044} 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 9000005500044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12296601167760).

9000005500044 is an abundant number, since it is smaller than the sum of its proper divisors (15593196835476).

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

9000005500044 is a wasteful number, since it uses less digits than its factorization.

9000005500044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000 (or 16995 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 9000005500044 in words is "nine trillion, five million, five hundred thousand, forty-four".