44218123805 has 8 divisors (see below), whose sum is σ = 53066887512. Its totient is φ = 35371073088.

The previous prime is 44218123801. The next prime is 44218123837. The reversal of 44218123805 is 50832181244.

It can be written as a sum of positive squares in 4 ways, for example, as 15571545796 + 28646578009 = 124786^2 + 169253^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44218123805 - 2² = 44218123801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44218123801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370754 + ... + 475283.

It is an arithmetic number, because the mean of its divisors is an integer number (6633360939).

Almost surely, 2^44218123805 is an apocalyptic number.

It is an amenable number.

44218123805 is a deficient number, since it is larger than the sum of its proper divisors (8848763707).

44218123805 is a wasteful number, since it uses less digits than its factorization.

44218123805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856495.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 44218123805 in words is "forty-four billion, two hundred eighteen million, one hundred twenty-three thousand, eight hundred five".