442917457346 has 32 divisors (see below), whose sum is σ = 817732070400. Its totient is φ = 175211885376.

The previous prime is 442917457313. The next prime is 442917457399. The reversal of 442917457346 is 643754719244.

It is a junction number, because it is equal to n+sod(n) for n = 442917457291 and 442917457300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134580 + ... + 5220128.

It is an arithmetic number, because the mean of its divisors is an integer number (25554127200).

Almost surely, 2^442917457346 is an apocalyptic number.

442917457346 is a deficient number, since it is larger than the sum of its proper divisors (374814613054).

442917457346 is a wasteful number, since it uses less digits than its factorization.

442917457346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114018.

The product of its digits is 20321280, while the sum is 56.

The spelling of 442917457346 in words is "four hundred forty-two billion, nine hundred seventeen million, four hundred fifty-seven thousand, three hundred forty-six".