2688049152 has 140 divisors (see below), whose sum is σ = 8032453836. Its totient is φ = 895795200.

The previous prime is 2688049141. The next prime is 2688049157. The reversal of 2688049152 is 2519408862.

It is a junction number, because it is equal to n+sod(n) for n = 2688049098 and 2688049107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688049157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 661527 + ... + 665577.

Almost surely, 2^2688049152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2688049152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4016226918).

2688049152 is an abundant number, since it is smaller than the sum of its proper divisors (5344404684).

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

2688049152 is an frugal number, since it uses more digits than its factorization.

2688049152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089 (or 4056 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2688049152 is about 51846.3996049870. The cubic root of 2688049152 is about 1390.4191327869.

The spelling of 2688049152 in words is "two billion, six hundred eighty-eight million, forty-nine thousand, one hundred fifty-two".