2184782981040 has 240 divisors, whose sum is σ = 8077687057440. Its totient is φ = 524785029120.

The previous prime is 2184782980999. The next prime is 2184782981053. The reversal of 2184782981040 is 401892874812.

2184782981040 is a `hidden beast` number, since 2 + 184 + 78 + 298 + 104 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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, 402117 + ... + 2128676.

It is an arithmetic number, because the mean of its divisors is an integer number (33657029406).

Almost surely, 2^{2184782981040} is an apocalyptic number.

2184782981040 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 2184782981040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4038843528720).

2184782981040 is an abundant number, since it is smaller than the sum of its proper divisors (5892904076400).

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

2184782981040 is a wasteful number, since it uses less digits than its factorization.

2184782981040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530932 (or 2530923 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 2184782981040 in words is "two trillion, one hundred eighty-four billion, seven hundred eighty-two million, nine hundred eighty-one thousand, forty".