320443210042 has 8 divisors (see below), whose sum is σ = 481032580896. Its totient is φ = 160099016412.

The previous prime is 320443210001. The next prime is 320443210067. The reversal of 320443210042 is 240012344023.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 320443209989 and 320443210016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61291038 + ... + 61296265.

It is an arithmetic number, because the mean of its divisors is an integer number (60129072612).

Almost surely, 2^320443210042 is an apocalyptic number.

320443210042 is a deficient number, since it is larger than the sum of its proper divisors (160589370854).

320443210042 is a wasteful number, since it uses less digits than its factorization.

320443210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122588612.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 320443210042 its reverse (240012344023), we get a palindrome (560455554065).

The spelling of 320443210042 in words is "three hundred twenty billion, four hundred forty-three million, two hundred ten thousand, forty-two".