1812789084288 has 256 divisors, whose sum is σ = 5945517527040. Its totient is φ = 476558069760.

The previous prime is 1812789084287. The next prime is 1812789084311. The reversal of 1812789084288 is 8824809872181.

It is a super-2 number, since 2×1812789084288² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1812789084287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10784181 + ... + 10950987.

It is an arithmetic number, because the mean of its divisors is an integer number (23224677840).

Almost surely, 2^{1812789084288} 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 1812789084288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2972758763520).

1812789084288 is an abundant number, since it is smaller than the sum of its proper divisors (4132728442752).

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

1812789084288 is a wasteful number, since it uses less digits than its factorization.

1812789084288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167155 (or 167143 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 66.

The spelling of 1812789084288 in words is "one trillion, eight hundred twelve billion, seven hundred eighty-nine million, eighty-four thousand, two hundred eighty-eight".