4869128240 has 20 divisors (see below), whose sum is σ = 11320723344. Its totient is φ = 1947651264.

The previous prime is 4869128227. The next prime is 4869128261. The reversal of 4869128240 is 428219684.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 4869128191 and 4869128200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30431972 + ... + 30432131.

Almost surely, 2^4869128240 is an apocalyptic number.

4869128240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4869128240 is an abundant number, since it is smaller than the sum of its proper divisors (6451595104).

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

4869128240 is a wasteful number, since it uses less digits than its factorization.

4869128240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60864116 (or 60864110 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 4869128240 is about 69779.1390030000. The cubic root of 4869128240 is about 1694.9246828871.

The spelling of 4869128240 in words is "four billion, eight hundred sixty-nine million, one hundred twenty-eight thousand, two hundred forty".