2438868618 has 24 divisors (see below), whose sum is σ = 5513964768. Its totient is φ = 777610152.

The previous prime is 2438868613. The next prime is 2438868623. The reversal of 2438868618 is 8168688342.

It is an interprime number because it is at equal distance from previous prime (2438868613) and next prime (2438868623).

It is not an unprimeable number, because it can be changed into a prime (2438868613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2945080 + ... + 2945907.

It is an arithmetic number, because the mean of its divisors is an integer number (229748532).

Almost surely, 2^2438868618 is an apocalyptic number.

2438868618 is an abundant number, since it is smaller than the sum of its proper divisors (3075096150).

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

2438868618 is a wasteful number, since it uses less digits than its factorization.

2438868618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891018 (or 5891015 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 2438868618 is about 49384.9027335278. The cubic root of 2438868618 is about 1346.0549883444.

The spelling of 2438868618 in words is "two billion, four hundred thirty-eight million, eight hundred sixty-eight thousand, six hundred eighteen".