44189818 has 8 divisors (see below), whose sum is σ = 68423040. Its totient is φ = 21382140.

The previous prime is 44189809. The next prime is 44189819. The reversal of 44189818 is 81898144.

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

It is not an unprimeable number, because it can be changed into a prime (44189819) 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, 356308 + ... + 356431.

It is an arithmetic number, because the mean of its divisors is an integer number (8552880).

Almost surely, 2^44189818 is an apocalyptic number.

44189818 is a deficient number, since it is larger than the sum of its proper divisors (24233222).

44189818 is a wasteful number, since it uses less digits than its factorization.

44189818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712772.

The product of its digits is 73728, while the sum is 43.

The square root of 44189818 is about 6647.5422525923. The cubic root of 44189818 is about 353.5417746805.

The spelling of 44189818 in words is "forty-four million, one hundred eighty-nine thousand, eight hundred eighteen".