442204531545345 has 32 divisors (see below), whose sum is σ = 709953188515200. Its totient is φ = 235034902593024.

The previous prime is 442204531545331. The next prime is 442204531545383. The reversal of 442204531545345 is 543545135402244.

It is not a de Polignac number, because 442204531545345 - 2²⁰ = 442204530496769 is a prime.

It is a Curzon 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, 29115942 + ... + 41619071.

It is an arithmetic number, because the mean of its divisors is an integer number (22186037141100).

Almost surely, 2^{442204531545345} is an apocalyptic number.

It is an amenable number.

442204531545345 is a deficient number, since it is larger than the sum of its proper divisors (267748656969855).

442204531545345 is a wasteful number, since it uses less digits than its factorization.

442204531545345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70736449.

The product of its (nonzero) digits is 23040000, while the sum is 51.

Adding to 442204531545345 its reverse (543545135402244), we get a palindrome (985749666947589).

The spelling of 442204531545345 in words is "four hundred forty-two trillion, two hundred four billion, five hundred thirty-one million, five hundred forty-five thousand, three hundred forty-five".