44047161 has 24 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 28267200.

The previous prime is 44047151. The next prime is 44047169. The reversal of 44047161 is 16174044.

It is not a de Polignac number, because 44047161 - 2⁶ = 44047097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44047169) 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 23 ways as a sum of consecutive naturals, for example, 28396 + ... + 29906.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^44047161 is an apocalyptic number.

44047161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44047161 is a deficient number, since it is larger than the sum of its proper divisors (21996999).

44047161 is a wasteful number, since it uses less digits than its factorization.

44047161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 44047161 is about 6636.8035227811. The cubic root of 44047161 is about 353.1609208871.

The spelling of 44047161 in words is "forty-four million, forty-seven thousand, one hundred sixty-one".