44016661044 has 18 divisors (see below), whose sum is σ = 111264337730. Its totient is φ = 14672220336.

The previous prime is 44016661037. The next prime is 44016661061.

44016661044 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 27642387600 + 16374273444 = 166260^2 + 127962^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1222685029 = 44016661044 / (4 + 4 + 0 + 1 + 6 + 6 + 6 + 1 + 0 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611342479 + ... + 611342550.

Almost surely, 2^44016661044 is an apocalyptic number.

It is an amenable number.

44016661044 is an abundant number, since it is smaller than the sum of its proper divisors (67247676686).

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

44016661044 is a wasteful number, since it uses less digits than its factorization.

44016661044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222685039 (or 1222685034 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 44016661044 in words is "forty-four billion, sixteen million, six hundred sixty-one thousand, forty-four".