44440161278647 has 2 divisors, whose sum is σ = 44440161278648. Its totient is φ = 44440161278646.

The previous prime is 44440161278641. The next prime is 44440161278699. The reversal of 44440161278647 is 74687216104444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44440161278647 - 2¹⁹ = 44440160754359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44440161278591 and 44440161278600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44440161278641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22220080639323 + 22220080639324.

It is an arithmetic number, because the mean of its divisors is an integer number (22220080639324).

Almost surely, 2^{44440161278647} is an apocalyptic number.

44440161278647 is a deficient number, since it is larger than the sum of its proper divisors (1).

44440161278647 is an equidigital number, since it uses as much as digits as its factorization.

44440161278647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28901376, while the sum is 58.

The spelling of 44440161278647 in words is "forty-four trillion, four hundred forty billion, one hundred sixty-one million, two hundred seventy-eight thousand, six hundred forty-seven".