2195040000 has 360 divisors, whose sum is σ = 7758329040. Its totient is φ = 548864000.

The previous prime is 2195039927. The next prime is 2195040031. The reversal of 2195040000 is 405912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8159866 + ... + 8160134.

It is an arithmetic number, because the mean of its divisors is an integer number (21550914).

Almost surely, 2^2195040000 is an apocalyptic number.

2195040000 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 2195040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3879164520).

2195040000 is an abundant number, since it is smaller than the sum of its proper divisors (5563289040).

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

2195040000 is an equidigital number, since it uses as much as digits as its factorization.

2195040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2195040000 is about 46851.2539853524. The cubic root of 2195040000 is about 1299.6132972102.

Adding to 2195040000 its reverse (405912), we get a palindrome (2195445912).

The spelling of 2195040000 in words is "two billion, one hundred ninety-five million, forty thousand".