4638575418 has 16 divisors (see below), whose sum is σ = 9474537600. Its totient is φ = 1513294016.

The previous prime is 4638575399. The next prime is 4638575419. The reversal of 4638575418 is 8145758364.

It is not an unprimeable number, because it can be changed into a prime (4638575419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8224143 + ... + 8224706.

It is an arithmetic number, because the mean of its divisors is an integer number (592158600).

Almost surely, 2^4638575418 is an apocalyptic number.

4638575418 is an abundant number, since it is smaller than the sum of its proper divisors (4835962182).

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

4638575418 is a wasteful number, since it uses less digits than its factorization.

4638575418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448901.

The product of its digits is 3225600, while the sum is 51.

The square root of 4638575418 is about 68107.0878690317. The cubic root of 4638575418 is about 1667.7394705780.

The spelling of 4638575418 in words is "four billion, six hundred thirty-eight million, five hundred seventy-five thousand, four hundred eighteen".