4389809140 has 12 divisors (see below), whose sum is σ = 9218599236. Its totient is φ = 1755923648.

The previous prime is 4389809129. The next prime is 4389809143. The reversal of 4389809140 is 419089834.

It can be written as a sum of positive squares in 2 ways, for example, as 1536326416 + 2853482724 = 39196^2 + 53418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389809143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109745209 + ... + 109745248.

It is an arithmetic number, because the mean of its divisors is an integer number (768216603).

Almost surely, 2^4389809140 is an apocalyptic number.

It is an amenable number.

4389809140 is an abundant number, since it is smaller than the sum of its proper divisors (4828790096).

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

4389809140 is a wasteful number, since it uses less digits than its factorization.

4389809140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219490466 (or 219490464 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 4389809140 is about 66255.6347792397. The cubic root of 4389809140 is about 1637.3764741037.

The spelling of 4389809140 in words is "four billion, three hundred eighty-nine million, eight hundred nine thousand, one hundred forty".