4838657840 has 20 divisors (see below), whose sum is σ = 11249879664. Its totient is φ = 1935463104.

The previous prime is 4838657839. The next prime is 4838657903. The reversal of 4838657840 is 487568384.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30241532 + ... + 30241691.

Almost surely, 2^4838657840 is an apocalyptic number.

4838657840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4838657840 is an abundant number, since it is smaller than the sum of its proper divisors (6411221824).

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

4838657840 is a wasteful number, since it uses less digits than its factorization.

4838657840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60483236 (or 60483230 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The square root of 4838657840 is about 69560.4617580993. The cubic root of 4838657840 is about 1691.3817393997.

The spelling of 4838657840 in words is "four billion, eight hundred thirty-eight million, six hundred fifty-seven thousand, eight hundred forty".