44311021 has 16 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 40592448.

The previous prime is 44311019. The next prime is 44311039. The reversal of 44311021 is 12011344.

It is a cyclic number.

It is not a de Polignac number, because 44311021 - 2¹ = 44311019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44310986 and 44311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44311051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79275 + ... + 79831.

It is an arithmetic number, because the mean of its divisors is an integer number (3013200).

Almost surely, 2^44311021 is an apocalyptic number.

It is an amenable number.

44311021 is a deficient number, since it is larger than the sum of its proper divisors (3900179).

44311021 is a wasteful number, since it uses less digits than its factorization.

44311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 44311021 is about 6656.6523868984. The cubic root of 44311021 is about 353.8647088532.

Adding to 44311021 its reverse (12011344), we get a palindrome (56322365).

The spelling of 44311021 in words is "forty-four million, three hundred eleven thousand, twenty-one".