44138741 has 2 divisors, whose sum is σ = 44138742. Its totient is φ = 44138740.

The previous prime is 44138713. The next prime is 44138777. The reversal of 44138741 is 14783144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33016516 + 11122225 = 5746^2 + 3335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44138741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44138698 and 44138707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44138711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22069370 + 22069371.

It is an arithmetic number, because the mean of its divisors is an integer number (22069371).

Almost surely, 2^44138741 is an apocalyptic number.

It is an amenable number.

44138741 is a deficient number, since it is larger than the sum of its proper divisors (1).

44138741 is an equidigital number, since it uses as much as digits as its factorization.

44138741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 44138741 is about 6643.6993459969. The cubic root of 44138741 is about 353.4055078818.

The spelling of 44138741 in words is "forty-four million, one hundred thirty-eight thousand, seven hundred forty-one".