4434441618 has 8 divisors (see below), whose sum is σ = 8868883248. Its totient is φ = 1478147204.

The previous prime is 4434441617. The next prime is 4434441629. The reversal of 4434441618 is 8161444344.

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

4434441618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4434441617) by changing a digit.

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, 369536796 + ... + 369536807.

It is an arithmetic number, because the mean of its divisors is an integer number (1108610406).

Almost surely, 2^4434441618 is an apocalyptic number.

4434441618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4434441618 is a wasteful number, since it uses less digits than its factorization.

4434441618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739073608.

The product of its digits is 147456, while the sum is 39.

The square root of 4434441618 is about 66591.6032094137. The cubic root of 4434441618 is about 1642.9070018081.

The spelling of 4434441618 in words is "four billion, four hundred thirty-four million, four hundred forty-one thousand, six hundred eighteen".