2128444275000 has 384 divisors, whose sum is σ = 6915539877120. Its totient is φ = 545424000000.

The previous prime is 2128444274989. The next prime is 2128444275007. The reversal of 2128444275000 is 5724448212.

It is a self number, because there is not a number n which added to its sum of digits gives 2128444275000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128444275007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206019835 + ... + 206030165.

It is an arithmetic number, because the mean of its divisors is an integer number (18009218430).

Almost surely, 2^{2128444275000} is an apocalyptic number.

2128444275000 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 2128444275000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457769938560).

2128444275000 is an abundant number, since it is smaller than the sum of its proper divisors (4787095602120).

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

2128444275000 is a wasteful number, since it uses less digits than its factorization.

2128444275000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473 (or 10449 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

It can be divided in two parts, 212844 and 4275000, that added together give a palindrome (4487844).

The spelling of 2128444275000 in words is "two trillion, one hundred twenty-eight billion, four hundred forty-four million, two hundred seventy-five thousand".