442410332221444 has 24 divisors (see below), whose sum is σ = 778501333122968. Its totient is φ = 219981398123520.

The previous prime is 442410332221421. The next prime is 442410332221457. The reversal of 442410332221444 is 444122233014244.

It can be written as a sum of positive squares in 4 ways, for example, as 69725840040000 + 372684492181444 = 8350200^2 + 19305038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442410332221397 and 442410332221406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97947382 + ... + 102364594.

Almost surely, 2^{442410332221444} is an apocalyptic number.

It is an amenable number.

442410332221444 is a deficient number, since it is larger than the sum of its proper divisors (336091000901524).

442410332221444 is a wasteful number, since it uses less digits than its factorization.

442410332221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555735 (or 4555733 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 442410332221444 its reverse (444122233014244), we get a palindrome (886532565235688).

The spelling of 442410332221444 in words is "four hundred forty-two trillion, four hundred ten billion, three hundred thirty-two million, two hundred twenty-one thousand, four hundred forty-four".