442444673 has 16 divisors (see below), whose sum is σ = 495196416. Its totient is φ = 391831440.

The previous prime is 442444663. The next prime is 442444693. The reversal of 442444673 is 376444244.

It is not a de Polignac number, because 442444673 - 2⁴ = 442444657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442444603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219890 + ... + 221892.

It is an arithmetic number, because the mean of its divisors is an integer number (30949776).

Almost surely, 2^442444673 is an apocalyptic number.

442444673 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

442444673 is a deficient number, since it is larger than the sum of its proper divisors (52751743).

442444673 is a wasteful number, since it uses less digits than its factorization.

442444673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524.

The product of its digits is 258048, while the sum is 38.

The square root of 442444673 is about 21034.3688519527. The cubic root of 442444673 is about 761.9965239587.

The spelling of 442444673 in words is "four hundred forty-two million, four hundred forty-four thousand, six hundred seventy-three".