2688860080 has 160 divisors (see below), whose sum is σ = 7015693824. Its totient is φ = 953069568.

The previous prime is 2688860021. The next prime is 2688860081. The reversal of 2688860080 is 800688862.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 2688860080.

It is not an unprimeable number, because it can be changed into a prime (2688860081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2095119 + ... + 2096401.

Almost surely, 2^2688860080 is an apocalyptic number.

2688860080 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 2688860080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507846912).

2688860080 is an abundant number, since it is smaller than the sum of its proper divisors (4326833744).

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

2688860080 is a wasteful number, since it uses less digits than its factorization.

2688860080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 2688860080 is about 51854.2195004418. The cubic root of 2688860080 is about 1390.5589388170.

It can be divided in two parts, 26888 and 60080, that added together give a palindrome (86968).

The spelling of 2688860080 in words is "two billion, six hundred eighty-eight million, eight hundred sixty thousand, eighty".