44449861 has 2 divisors, whose sum is σ = 44449862. Its totient is φ = 44449860.

The previous prime is 44449843. The next prime is 44449871. The reversal of 44449861 is 16894444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 8820900 = 5969^2 + 2970^2 .

It is a cyclic number.

It is not a de Polignac number, because 44449861 - 2¹⁹ = 43925573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44449871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22224930 + 22224931.

It is an arithmetic number, because the mean of its divisors is an integer number (22224931).

Almost surely, 2^44449861 is an apocalyptic number.

It is an amenable number.

44449861 is a deficient number, since it is larger than the sum of its proper divisors (1).

44449861 is an equidigital number, since it uses as much as digits as its factorization.

44449861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 44449861 is about 6667.0728959567. The cubic root of 44449861 is about 354.2339123493.

It can be divided in two parts, 444 and 49861, that added together give a palindrome (50305).

The spelling of 44449861 in words is "forty-four million, four hundred forty-nine thousand, eight hundred sixty-one".