2668956997200 has 240 divisors, whose sum is σ = 9318152141760. Its totient is φ = 649058365440.

The previous prime is 2668956997177. The next prime is 2668956997243. The reversal of 2668956997200 is 27996598662.

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

It is a congruent number.

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, 264156 + ... + 2325444.

It is an arithmetic number, because the mean of its divisors is an integer number (38825633924).

Almost surely, 2^{2668956997200} is an apocalyptic number.

2668956997200 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 2668956997200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4659076070880).

2668956997200 is an abundant number, since it is smaller than the sum of its proper divisors (6649195144560).

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

2668956997200 is a wasteful number, since it uses less digits than its factorization.

2668956997200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061406 (or 2061395 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 2668956997200 in words is "two trillion, six hundred sixty-eight billion, nine hundred fifty-six million, nine hundred ninety-seven thousand, two hundred".