44918018 has 4 divisors (see below), whose sum is σ = 67377030. Its totient is φ = 22459008.

The previous prime is 44918017. The next prime is 44918047. The reversal of 44918018 is 81081944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42994249 + 1923769 = 6557^2 + 1387^2 .

It is not an unprimeable number, because it can be changed into a prime (44918017) 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 as a sum of consecutive naturals, namely, 11229503 + ... + 11229506.

Almost surely, 2^44918018 is an apocalyptic number.

44918018 is a deficient number, since it is larger than the sum of its proper divisors (22459012).

44918018 is a wasteful number, since it uses less digits than its factorization.

44918018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22459011.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 44918018 is about 6702.0905693671. The cubic root of 44918018 is about 355.4731982355.

The spelling of 44918018 in words is "forty-four million, nine hundred eighteen thousand, eighteen".