2660239888320 has 1792 divisors, whose sum is σ = 10778948370432. Its totient is φ = 542758993920.

The previous prime is 2660239888309. The next prime is 2660239888337. The reversal of 2660239888320 is 238889320662.

2660239888320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 20307174655 + ... + 20307174785.

Almost surely, 2^{2660239888320} is an apocalyptic number.

2660239888320 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 2660239888320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5389474185216).

2660239888320 is an abundant number, since it is smaller than the sum of its proper divisors (8118708482112).

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

2660239888320 is a wasteful number, since it uses less digits than its factorization.

2660239888320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 2660239888320 in words is "two trillion, six hundred sixty billion, two hundred thirty-nine million, eight hundred eighty-eight thousand, three hundred twenty".