442426133252 has 12 divisors (see below), whose sum is σ = 775010049996. Its totient is φ = 220994690400.

The previous prime is 442426133243. The next prime is 442426133267. The reversal of 442426133252 is 252331624244.

It can be written as a sum of positive squares in 2 ways, for example, as 2305344196 + 440120789056 = 48014^2 + 663416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54589499 + ... + 54597602.

It is an arithmetic number, because the mean of its divisors is an integer number (64584170833).

Almost surely, 2^442426133252 is an apocalyptic number.

It is an amenable number.

442426133252 is a deficient number, since it is larger than the sum of its proper divisors (332583916744).

442426133252 is a wasteful number, since it uses less digits than its factorization.

442426133252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109188118 (or 109188116 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

Adding to 442426133252 its reverse (252331624244), we get a palindrome (694757757496).

The spelling of 442426133252 in words is "four hundred forty-two billion, four hundred twenty-six million, one hundred thirty-three thousand, two hundred fifty-two".