2195942784000 has 2112 divisors, whose sum is σ = 9219324321792. Its totient is φ = 453869568000.

The previous prime is 2195942783987. The next prime is 2195942784023. The reversal of 2195942784000 is 4872495912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30081407964 + ... + 30081408036.

Almost surely, 2^{2195942784000} is an apocalyptic number.

2195942784000 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 2195942784000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4609662160896).

2195942784000 is an abundant number, since it is smaller than the sum of its proper divisors (7023381537792).

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

2195942784000 is a wasteful number, since it uses less digits than its factorization.

2195942784000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 2195942784000 in words is "two trillion, one hundred ninety-five billion, nine hundred forty-two million, seven hundred eighty-four thousand".