2668488432 has 80 divisors (see below), whose sum is σ = 7232870400. Its totient is φ = 846662400.

The previous prime is 2668488409. The next prime is 2668488439. The reversal of 2668488432 is 2348848662.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668488439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76069 + ... + 105467.

It is an arithmetic number, because the mean of its divisors is an integer number (90410880).

Almost surely, 2^2668488432 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 2668488432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616435200).

2668488432 is an abundant number, since it is smaller than the sum of its proper divisors (4564381968).

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

2668488432 is a wasteful number, since it uses less digits than its factorization.

2668488432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29502 (or 29496 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 51.

The square root of 2668488432 is about 51657.4141048504. The cubic root of 2668488432 is about 1387.0382622010.

The spelling of 2668488432 in words is "two billion, six hundred sixty-eight million, four hundred eighty-eight thousand, four hundred thirty-two".