442340310434 has 32 divisors (see below), whose sum is σ = 731161589760. Its totient is φ = 199028016000.

The previous prime is 442340310427. The next prime is 442340310443. The reversal of 442340310434 is 434013043244.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442340310434.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11021087 + ... + 11061149.

It is an arithmetic number, because the mean of its divisors is an integer number (22848799680).

Almost surely, 2^442340310434 is an apocalyptic number.

442340310434 is a deficient number, since it is larger than the sum of its proper divisors (288821279326).

442340310434 is a wasteful number, since it uses less digits than its factorization.

442340310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45146.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 442340310434 its reverse (434013043244), we get a palindrome (876353353678).

The spelling of 442340310434 in words is "four hundred forty-two billion, three hundred forty million, three hundred ten thousand, four hundred thirty-four".