321442055502042 has 64 divisors (see below), whose sum is σ = 674975297433600. Its totient is φ = 101917628749440.

The previous prime is 321442055502023. The next prime is 321442055502107. The reversal of 321442055502042 is 240205550244123.

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 31 ways as a sum of consecutive naturals, for example, 68251134 + ... + 72808662.

It is an arithmetic number, because the mean of its divisors is an integer number (10546489022400).

Almost surely, 2^{321442055502042} is an apocalyptic number.

321442055502042 is an abundant number, since it is smaller than the sum of its proper divisors (353533241931558).

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

321442055502042 is a wasteful number, since it uses less digits than its factorization.

321442055502042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564051.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 321442055502042 in words is "three hundred twenty-one trillion, four hundred forty-two billion, fifty-five million, five hundred two thousand, forty-two".