44011021 has 2 divisors, whose sum is σ = 44011022. Its totient is φ = 44011020.

The previous prime is 44011003. The next prime is 44011061. The reversal of 44011021 is 12011044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32376100 + 11634921 = 5690^2 + 3411^2 .

It is a cyclic number.

It is not a de Polignac number, because 44011021 - 2⁹ = 44010509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44010992 and 44011010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44011061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22005510 + 22005511.

It is an arithmetic number, because the mean of its divisors is an integer number (22005511).

Almost surely, 2^44011021 is an apocalyptic number.

It is an amenable number.

44011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44011021 is an equidigital number, since it uses as much as digits as its factorization.

44011021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 44011021 is about 6634.0802678291. The cubic root of 44011021 is about 353.0643068060.

Adding to 44011021 its reverse (12011044), we get a palindrome (56022065).

The spelling of 44011021 in words is "forty-four million, eleven thousand, twenty-one".