442353734146 has 16 divisors (see below), whose sum is σ = 672433826400. Its totient is φ = 218216338848.

The previous prime is 442353734129. The next prime is 442353734159. The reversal of 442353734146 is 641437353244.

It is a super-2 number, since 2×442353734146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442353734096 and 442353734105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680291 + ... + 1925638.

It is an arithmetic number, because the mean of its divisors is an integer number (42027114150).

Almost surely, 2^442353734146 is an apocalyptic number.

442353734146 is a deficient number, since it is larger than the sum of its proper divisors (230080092254).

442353734146 is a wasteful number, since it uses less digits than its factorization.

442353734146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606753.

The product of its digits is 2903040, while the sum is 46.

The spelling of 442353734146 in words is "four hundred forty-two billion, three hundred fifty-three million, seven hundred thirty-four thousand, one hundred forty-six".