2288626680 has 128 divisors (see below), whose sum is σ = 6949370880. Its totient is φ = 602933760.

The previous prime is 2288626673. The next prime is 2288626733. The reversal of 2288626680 is 866268822.

2288626680 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6235857 + ... + 6236223.

It is an arithmetic number, because the mean of its divisors is an integer number (54291960).

Almost surely, 2^2288626680 is an apocalyptic number.

2288626680 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 2288626680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3474685440).

2288626680 is an abundant number, since it is smaller than the sum of its proper divisors (4660744200).

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

2288626680 is a wasteful number, since it uses less digits than its factorization.

2288626680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 2288626680 is about 47839.5932256954. The cubic root of 2288626680 is about 1317.8267499084.

The spelling of 2288626680 in words is "two billion, two hundred eighty-eight million, six hundred twenty-six thousand, six hundred eighty".