5238436018 has 8 divisors (see below), whose sum is σ = 7858459440. Its totient is φ = 2618949540.

The previous prime is 5238435997. The next prime is 5238436039. The reversal of 5238436018 is 8106348325.

It is an interprime number because it is at equal distance from previous prime (5238435997) and next prime (5238436039).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 108888 + ... + 149443.

It is an arithmetic number, because the mean of its divisors is an integer number (982307430).

Almost surely, 2^5238436018 is an apocalyptic number.

5238436018 is a deficient number, since it is larger than the sum of its proper divisors (2620023422).

5238436018 is a wasteful number, since it uses less digits than its factorization.

5238436018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268472.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 5238436018 is about 72377.0406828022. The cubic root of 5238436018 is about 1736.7362983482.

The spelling of 5238436018 in words is "five billion, two hundred thirty-eight million, four hundred thirty-six thousand, eighteen".