321442452442 has 16 divisors (see below), whose sum is σ = 500987345760. Its totient is φ = 154495500208.

The previous prime is 321442452389. The next prime is 321442452467. The reversal of 321442452442 is 244254244123.

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 7 ways as a sum of consecutive naturals, for example, 12194128 + ... + 12220459.

It is an arithmetic number, because the mean of its divisors is an integer number (31311709110).

Almost surely, 2^321442452442 is an apocalyptic number.

321442452442 is a deficient number, since it is larger than the sum of its proper divisors (179544893318).

321442452442 is a wasteful number, since it uses less digits than its factorization.

321442452442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24414845.

The product of its digits is 245760, while the sum is 37.

Adding to 321442452442 its reverse (244254244123), we get a palindrome (565696696565).

The spelling of 321442452442 in words is "three hundred twenty-one billion, four hundred forty-two million, four hundred fifty-two thousand, four hundred forty-two".