442254162804247 has 8 divisors (see below), whose sum is σ = 468304834986000. Its totient is φ = 416207459670144.

The previous prime is 442254162804203. The next prime is 442254162804257. The reversal of 442254162804247 is 742408261452244.

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

It is a cyclic number.

It is not a de Polignac number, because 442254162804247 - 2²³ = 442254154415639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442254162804257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992032497 + ... + 992478202.

It is an arithmetic number, because the mean of its divisors is an integer number (58538104373250).

Almost surely, 2^{442254162804247} is an apocalyptic number.

442254162804247 is a deficient number, since it is larger than the sum of its proper divisors (26050672181753).

442254162804247 is a wasteful number, since it uses less digits than its factorization.

442254162804247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984523825.

The product of its (nonzero) digits is 27525120, while the sum is 55.

The spelling of 442254162804247 in words is "four hundred forty-two trillion, two hundred fifty-four billion, one hundred sixty-two million, eight hundred four thousand, two hundred forty-seven".