2722557680 has 60 divisors (see below), whose sum is σ = 6505911720. Its totient is φ = 1059547392.

The previous prime is 2722557661. The next prime is 2722557683. The reversal of 2722557680 is 867552272.

2722557680 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 not an unprimeable number, because it can be changed into a prime (2722557683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97091 + ... + 121949.

It is an arithmetic number, because the mean of its divisors is an integer number (108431862).

Almost surely, 2^2722557680 is an apocalyptic number.

2722557680 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 2722557680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252955860).

2722557680 is an abundant number, since it is smaller than the sum of its proper divisors (3783354040).

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

2722557680 is a wasteful number, since it uses less digits than its factorization.

2722557680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24946 (or 24903 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 2722557680 is about 52178.1341176551. The cubic root of 2722557680 is about 1396.3438068592.

The spelling of 2722557680 in words is "two billion, seven hundred twenty-two million, five hundred fifty-seven thousand, six hundred eighty".