320443132042 has 8 divisors (see below), whose sum is σ = 524361488832. Its totient is φ = 145655969100.

The previous prime is 320443131973. The next prime is 320443132069. The reversal of 320443132042 is 240231344023.

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

It is a self number, because there is not a number n which added to its sum of digits gives 320443132042.

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, 7282798434 + ... + 7282798477.

It is an arithmetic number, because the mean of its divisors is an integer number (65545186104).

Almost surely, 2^320443132042 is an apocalyptic number.

320443132042 is a deficient number, since it is larger than the sum of its proper divisors (203918356790).

320443132042 is a wasteful number, since it uses less digits than its factorization.

320443132042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565596924.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 320443132042 its reverse (240231344023), we get a palindrome (560674476065).

The spelling of 320443132042 in words is "three hundred twenty billion, four hundred forty-three million, one hundred thirty-two thousand, forty-two".