44404182729 has 9 divisors (see below), whose sum is σ = 64140288199. Its totient is φ = 29602367040.

The previous prime is 44404182703. The next prime is 44404182751. The reversal of 44404182729 is 92728140444.

The square root of 44404182729 is 210723.

It is a perfect power (a square), and thus also a powerful number.

44404182729 is a `hidden beast` number, since 4 + 440 + 4 + 182 + 7 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44363733129 + 40449600 = 210627^2 + 6360^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 44404182729 - 2⁹ = 44404182217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44404182829) 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 8 ways as a sum of consecutive naturals, for example, 597049 + ... + 667289.

Almost surely, 2^44404182729 is an apocalyptic number.

44404182729 is the 210723-rd square number.

44404182729 is the 105362-nd centered octagonal number.

It is an amenable number.

44404182729 is a deficient number, since it is larger than the sum of its proper divisors (19736105470).

44404182729 is an frugal number, since it uses more digits than its factorization.

44404182729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140488 (or 70244 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 44404182729 in words is "forty-four billion, four hundred four million, one hundred eighty-two thousand, seven hundred twenty-nine".