442105216404605 has 32 divisors (see below), whose sum is σ = 596180628207360. Its totient is φ = 312280940505600.

The previous prime is 442105216404589. The next prime is 442105216404619. The reversal of 442105216404605 is 506404612501244.

It is not a de Polignac number, because 442105216404605 - 2⁴ = 442105216404589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244580006 + ... + 246380984.

It is an arithmetic number, because the mean of its divisors is an integer number (18630644631480).

Almost surely, 2^{442105216404605} is an apocalyptic number.

It is an amenable number.

442105216404605 is a deficient number, since it is larger than the sum of its proper divisors (154075411802755).

442105216404605 is a wasteful number, since it uses less digits than its factorization.

442105216404605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965221.

The product of its (nonzero) digits is 921600, while the sum is 44.

Adding to 442105216404605 its reverse (506404612501244), we get a palindrome (948509828905849).

The spelling of 442105216404605 in words is "four hundred forty-two trillion, one hundred five billion, two hundred sixteen million, four hundred four thousand, six hundred five".