44139041 has 2 divisors, whose sum is σ = 44139042. Its totient is φ = 44139040.

The previous prime is 44139031. The next prime is 44139079. The reversal of 44139041 is 14093144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32035600 + 12103441 = 5660^2 + 3479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44139041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44139041.

It is not a weakly prime, because it can be changed into another prime (44139031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22069520 + 22069521.

It is an arithmetic number, because the mean of its divisors is an integer number (22069521).

Almost surely, 2^44139041 is an apocalyptic number.

It is an amenable number.

44139041 is a deficient number, since it is larger than the sum of its proper divisors (1).

44139041 is an equidigital number, since it uses as much as digits as its factorization.

44139041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 44139041 is about 6643.7219237412. The cubic root of 44139041 is about 353.4063085496.

The spelling of 44139041 in words is "forty-four million, one hundred thirty-nine thousand, forty-one".