321402444342 has 24 divisors (see below), whose sum is σ = 747752626296. Its totient is φ = 91829269728.

The previous prime is 321402444283. The next prime is 321402444367. The reversal of 321402444342 is 243444204123.

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 11 ways as a sum of consecutive naturals, for example, 546602503 + ... + 546603090.

It is an arithmetic number, because the mean of its divisors is an integer number (31156359429).

Almost surely, 2^321402444342 is an apocalyptic number.

321402444342 is an abundant number, since it is smaller than the sum of its proper divisors (426350181954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321402444342 is a wasteful number, since it uses less digits than its factorization.

321402444342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093205612 (or 1093205605 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 321402444342 its reverse (243444204123), we get a palindrome (564846648465).

The spelling of 321402444342 in words is "three hundred twenty-one billion, four hundred two million, four hundred forty-four thousand, three hundred forty-two".