320441434142 has 32 divisors (see below), whose sum is σ = 510155366400. Its totient is φ = 150435176320.

The previous prime is 320441434133. The next prime is 320441434169. The reversal of 320441434142 is 241434144023.

It is a junction number, because it is equal to n+sod(n) for n = 320441434099 and 320441434108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32723267 + ... + 32733057.

It is an arithmetic number, because the mean of its divisors is an integer number (15942355200).

Almost surely, 2^320441434142 is an apocalyptic number.

320441434142 is a deficient number, since it is larger than the sum of its proper divisors (189713932258).

320441434142 is a wasteful number, since it uses less digits than its factorization.

320441434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 320441434142 its reverse (241434144023), we get a palindrome (561875578165).

The spelling of 320441434142 in words is "three hundred twenty billion, four hundred forty-one million, four hundred thirty-four thousand, one hundred forty-two".