2193378800 has 60 divisors (see below), whose sum is σ = 5286730080. Its totient is φ = 874498560.

The previous prime is 2193378793. The next prime is 2193378821. The reversal of 2193378800 is 88733912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116441 + ... + 133959.

It is an arithmetic number, because the mean of its divisors is an integer number (88112168).

Almost surely, 2^2193378800 is an apocalyptic number.

2193378800 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 2193378800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643365040).

2193378800 is an abundant number, since it is smaller than the sum of its proper divisors (3093351280).

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

2193378800 is a wasteful number, since it uses less digits than its factorization.

2193378800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17850 (or 17839 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2193378800 is about 46833.5221823001. The cubic root of 2193378800 is about 1299.2853665940.

The spelling of 2193378800 in words is "two billion, one hundred ninety-three million, three hundred seventy-eight thousand, eight hundred".