321004040442042 has 64 divisors (see below), whose sum is σ = 653583589401600. Its totient is φ = 105077853780480.

The previous prime is 321004040442023. The next prime is 321004040442047. The reversal of 321004040442042 is 240244040400123.

It is a super-2 number, since 2×321004040442042² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321004040442047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711473559 + ... + 711924597.

It is an arithmetic number, because the mean of its divisors is an integer number (10212243584400).

Almost surely, 2^{321004040442042} is an apocalyptic number.

321004040442042 is an abundant number, since it is smaller than the sum of its proper divisors (332579548959558).

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

321004040442042 is a wasteful number, since it uses less digits than its factorization.

321004040442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454231.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 321004040442042 its reverse (240244040400123), we get a palindrome (561248080842165).

The spelling of 321004040442042 in words is "three hundred twenty-one trillion, four billion, forty million, four hundred forty-two thousand, forty-two".