4398840680 has 64 divisors (see below), whose sum is σ = 10667417040. Its totient is φ = 1622863872.

The previous prime is 4398840659. The next prime is 4398840683. The reversal of 4398840680 is 860488934.

It can be written as a sum of positive squares in 8 ways, for example, as 1122652036 + 3276188644 = 33506^2 + 57238^2 .

It is not an unprimeable number, because it can be changed into a prime (4398840683) 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, 827792 + ... + 833088.

Almost surely, 2^4398840680 is an apocalyptic number.

4398840680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4398840680 is an abundant number, since it is smaller than the sum of its proper divisors (6268576360).

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

4398840680 is a wasteful number, since it uses less digits than its factorization.

4398840680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 4398840680 is about 66323.7565281099. The cubic root of 4398840680 is about 1638.4986110542.

The spelling of 4398840680 in words is "four billion, three hundred ninety-eight million, eight hundred forty thousand, six hundred eighty".