2721311360 has 64 divisors (see below), whose sum is σ = 6533222400. Its totient is φ = 1083909120.

The previous prime is 2721311353. The next prime is 2721311371. The reversal of 2721311360 is 631131272.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144065 + ... + 161855.

It is an arithmetic number, because the mean of its divisors is an integer number (102081600).

Almost surely, 2^2721311360 is an apocalyptic number.

2721311360 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 2721311360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266611200).

2721311360 is an abundant number, since it is smaller than the sum of its proper divisors (3811911040).

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

2721311360 is a wasteful number, since it uses less digits than its factorization.

2721311360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18049 (or 18037 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2721311360 is about 52166.1898167769. The cubic root of 2721311360 is about 1396.1307037114.

The spelling of 2721311360 in words is "two billion, seven hundred twenty-one million, three hundred eleven thousand, three hundred sixty".