4838640618 has 64 divisors (see below), whose sum is σ = 11530708992. Its totient is φ = 1324814400.

The previous prime is 4838640577. The next prime is 4838640649. The reversal of 4838640618 is 8160468384.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 70443 + ... + 120993.

It is an arithmetic number, because the mean of its divisors is an integer number (180167328).

Almost surely, 2^4838640618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4838640618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5765354496).

4838640618 is an abundant number, since it is smaller than the sum of its proper divisors (6692068374).

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

4838640618 is a wasteful number, since it uses less digits than its factorization.

4838640618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50659.

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 4838640618 is about 69560.3379664015. The cubic root of 4838640618 is about 1691.3797327131.

The spelling of 4838640618 in words is "four billion, eight hundred thirty-eight million, six hundred forty thousand, six hundred eighteen".