4399268688 has 30 divisors (see below), whose sum is σ = 12311842634. Its totient is φ = 1466422848.

The previous prime is 4399268681. The next prime is 4399268723. The reversal of 4399268688 is 8868629934.

It can be written as a sum of positive squares in only one way, i.e., 4252083264 + 147185424 = 65208^2 + 12132^2 .

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 (4399268681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15275095 + ... + 15275382.

Almost surely, 2^4399268688 is an apocalyptic number.

4399268688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4399268688 is an abundant number, since it is smaller than the sum of its proper divisors (7912573946).

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

4399268688 is a wasteful number, since it uses less digits than its factorization.

4399268688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30550491 (or 30550482 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The square root of 4399268688 is about 66326.9831064251. The cubic root of 4399268688 is about 1638.5517514019.

The spelling of 4399268688 in words is "four billion, three hundred ninety-nine million, two hundred sixty-eight thousand, six hundred eighty-eight".