2102722560 has 408 divisors, whose sum is σ = 7851677184. Its totient is φ = 519045120.

The previous prime is 2102722549. The next prime is 2102722577. The reversal of 2102722560 is 652272012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67829745 + ... + 67829775.

Almost surely, 2^2102722560 is an apocalyptic number.

2102722560 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 2102722560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3925838592).

2102722560 is an abundant number, since it is smaller than the sum of its proper divisors (5748954624).

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

2102722560 is an equidigital number, since it uses as much as digits as its factorization.

2102722560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2102722560 is about 45855.4528927586. The cubic root of 2102722560 is about 1281.1323313393.

Adding to 2102722560 its reverse (652272012), we get a palindrome (2754994572).

The spelling of 2102722560 in words is "two billion, one hundred two million, seven hundred twenty-two thousand, five hundred sixty".