44271021 has 16 divisors (see below), whose sum is σ = 63100800. Its totient is φ = 27540480.

The previous prime is 44271011. The next prime is 44271041. The reversal of 44271021 is 12017244.

It is a happy number.

44271021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44271021 - 2⁶ = 44270957 is a prime.

It is a super-4 number, since 4×44271021⁴ (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44271011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4996 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (3943800).

Almost surely, 2^44271021 is an apocalyptic number.

44271021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44271021 is a deficient number, since it is larger than the sum of its proper divisors (18829779).

44271021 is a wasteful number, since it uses less digits than its factorization.

44271021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 44271021 is about 6653.6471953358. The cubic root of 44271021 is about 353.7581977315.

Adding to 44271021 its reverse (12017244), we get a palindrome (56288265).

The spelling of 44271021 in words is "forty-four million, two hundred seventy-one thousand, twenty-one".