8738218044 has 18 divisors (see below), whose sum is σ = 22088273480. Its totient is φ = 2912739336.

The previous prime is 8738218007. The next prime is 8738218079. The reversal of 8738218044 is 4408128378.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121364104 + ... + 121364175.

Almost surely, 2^8738218044 is an apocalyptic number.

It is an amenable number.

8738218044 is an abundant number, since it is smaller than the sum of its proper divisors (13350055436).

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

8738218044 is a wasteful number, since it uses less digits than its factorization.

8738218044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242728289 (or 242728284 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 8738218044 is about 93478.4362513623. The cubic root of 8738218044 is about 2059.7173430006.

The spelling of 8738218044 in words is "eight billion, seven hundred thirty-eight million, two hundred eighteen thousand, forty-four".