442579392417 has 8 divisors (see below), whose sum is σ = 615762633024. Its totient is φ = 282224540048.

The previous prime is 442579392413. The next prime is 442579392439. The reversal of 442579392417 is 714293975244.

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

It is not a de Polignac number, because 442579392417 - 2² = 442579392413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442579392413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207096978 + ... + 3207097115.

It is an arithmetic number, because the mean of its divisors is an integer number (76970329128).

Almost surely, 2^442579392417 is an apocalyptic number.

It is an amenable number.

442579392417 is a deficient number, since it is larger than the sum of its proper divisors (173183240607).

442579392417 is a wasteful number, since it uses less digits than its factorization.

442579392417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414194119.

The product of its digits is 15240960, while the sum is 57.

The spelling of 442579392417 in words is "four hundred forty-two billion, five hundred seventy-nine million, three hundred ninety-two thousand, four hundred seventeen".