2660295281280 has 512 divisors, whose sum is σ = 10985848473600. Its totient is φ = 531750666240.

The previous prime is 2660295281269. The next prime is 2660295281297. The reversal of 2660295281280 is 821825920662.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2918995 + ... + 3720365.

It is an arithmetic number, because the mean of its divisors is an integer number (21456735300).

Almost surely, 2^{2660295281280} is an apocalyptic number.

2660295281280 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 2660295281280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5492924236800).

2660295281280 is an abundant number, since it is smaller than the sum of its proper divisors (8325553192320).

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

2660295281280 is a wasteful number, since it uses less digits than its factorization.

2660295281280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801432 (or 801420 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 2660295281280 in words is "two trillion, six hundred sixty billion, two hundred ninety-five million, two hundred eighty-one thousand, two hundred eighty".