44312081 has 24 divisors (see below), whose sum is σ = 52519104. Its totient is φ = 37057280.

The previous prime is 44312077. The next prime is 44312083. The reversal of 44312081 is 18021344.

It is not a de Polignac number, because 44312081 - 2² = 44312077 is a prime.

It is a super-2 number, since 2×44312081² = 3927121045101122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44312083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168356 + ... + 168618.

It is an arithmetic number, because the mean of its divisors is an integer number (2188296).

Almost surely, 2^44312081 is an apocalyptic number.

It is an amenable number.

44312081 is a deficient number, since it is larger than the sum of its proper divisors (8207023).

44312081 is a wasteful number, since it uses less digits than its factorization.

44312081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 44312081 is about 6656.7320060222. The cubic root of 44312081 is about 353.8675305260.

The spelling of 44312081 in words is "forty-four million, three hundred twelve thousand, eighty-one".