444672427 has 2 divisors, whose sum is σ = 444672428. Its totient is φ = 444672426.

The previous prime is 444672421. The next prime is 444672443. The reversal of 444672427 is 724276444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444672427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444672427.

It is not a weakly prime, because it can be changed into another prime (444672421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222336213 + 222336214.

It is an arithmetic number, because the mean of its divisors is an integer number (222336214).

Almost surely, 2^444672427 is an apocalyptic number.

444672427 is a deficient number, since it is larger than the sum of its proper divisors (1).

444672427 is an equidigital number, since it uses as much as digits as its factorization.

444672427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 40.

The square root of 444672427 is about 21087.2574556295. The cubic root of 444672427 is about 763.2732935028.

The spelling of 444672427 in words is "four hundred forty-four million, six hundred seventy-two thousand, four hundred twenty-seven".