2721960521280 has 2240 divisors, whose sum is σ = 13271777164800. Its totient is φ = 521850470400.

The previous prime is 2721960521257. The next prime is 2721960521303. The reversal of 2721960521280 is 821250691272.

2721960521280 is a `hidden beast` number, since 2 + 7 + 2 + 19 + 605 + 2 + 1 + 28 + 0 = 666.

2721960521280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2721960521257) and next prime (2721960521303).

It is a tau number, because it is divible by the number of its divisors (2240).

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 319 ways as a sum of consecutive naturals, for example, 1271349010 + ... + 1271351150.

It is an arithmetic number, because the mean of its divisors is an integer number (5924900520).

Almost surely, 2^{2721960521280} is an apocalyptic number.

2721960521280 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 2721960521280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6635888582400).

2721960521280 is an abundant number, since it is smaller than the sum of its proper divisors (10549816643520).

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

2721960521280 is a wasteful number, since it uses less digits than its factorization.

2721960521280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 2721960521280 in words is "two trillion, seven hundred twenty-one billion, nine hundred sixty million, five hundred twenty-one thousand, two hundred eighty".