442420024021322 has 8 divisors (see below), whose sum is σ = 667466047801476. Its totient is φ = 219931341420832.

The previous prime is 442420024021309. The next prime is 442420024021331. The reversal of 442420024021322 is 223120420024244.

It can be written as a sum of positive squares in 2 ways, for example, as 432482391956521 + 9937632064801 = 20796211^2 + 3152401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 639335294483 + ... + 639335295174.

Almost surely, 2^{442420024021322} is an apocalyptic number.

442420024021322 is a deficient number, since it is larger than the sum of its proper divisors (225046023780154).

442420024021322 is a wasteful number, since it uses less digits than its factorization.

442420024021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278670589832.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 442420024021322 its reverse (223120420024244), we get a palindrome (665540444045566).

The spelling of 442420024021322 in words is "four hundred forty-two trillion, four hundred twenty billion, twenty-four million, twenty-one thousand, three hundred twenty-two".