44047081 has 8 divisors (see below), whose sum is σ = 48331080. Its totient is φ = 39891072.

The previous prime is 44047049. The next prime is 44047097. The reversal of 44047081 is 18074044.

It can be written as a sum of positive squares in 4 ways, for example, as 275625 + 43771456 = 525^2 + 6616^2 .

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

It is not a de Polignac number, because 44047081 - 2⁵ = 44047049 is a prime.

It is a super-2 number, since 2×44047081² = 3880290689241122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44047181) 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 7 ways as a sum of consecutive naturals, for example, 31276 + ... + 32653.

It is an arithmetic number, because the mean of its divisors is an integer number (6041385).

Almost surely, 2^44047081 is an apocalyptic number.

It is an amenable number.

44047081 is a deficient number, since it is larger than the sum of its proper divisors (4283999).

44047081 is a wasteful number, since it uses less digits than its factorization.

44047081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63995.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 44047081 is about 6636.7974957806. The cubic root of 44047081 is about 353.1607070792.

The spelling of 44047081 in words is "forty-four million, forty-seven thousand, eighty-one".