444440047 has 2 divisors, whose sum is σ = 444440048. Its totient is φ = 444440046.

The previous prime is 444440021. The next prime is 444440053. The reversal of 444440047 is 740044444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444440047 - 2¹¹ = 444437999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444440147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222220023 + 222220024.

It is an arithmetic number, because the mean of its divisors is an integer number (222220024).

Almost surely, 2^444440047 is an apocalyptic number.

444440047 is a deficient number, since it is larger than the sum of its proper divisors (1).

444440047 is an equidigital number, since it uses as much as digits as its factorization.

444440047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28672, while the sum is 31.

The square root of 444440047 is about 21081.7467729788. The cubic root of 444440047 is about 763.1403114519.

The spelling of 444440047 in words is "four hundred forty-four million, four hundred forty thousand, forty-seven".