2685196800 has 720 divisors, whose sum is σ = 11358835488. Its totient is φ = 597196800.

The previous prime is 2685196763. The next prime is 2685196817. The reversal of 2685196800 is 86915862.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16473519 + ... + 16473681.

Almost surely, 2^2685196800 is an apocalyptic number.

2685196800 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 2685196800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5679417744).

2685196800 is an abundant number, since it is smaller than the sum of its proper divisors (8673638688).

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

2685196800 is a wasteful number, since it uses less digits than its factorization.

2685196800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 2685196800 is about 51818.8845885359. The cubic root of 2685196800 is about 1389.9271566126.

The spelling of 2685196800 in words is "two billion, six hundred eighty-five million, one hundred ninety-six thousand, eight hundred".