321442056126 has 80 divisors (see below), whose sum is σ = 759630643200. Its totient is φ = 101313422352.

The previous prime is 321442056121. The next prime is 321442056127. The reversal of 321442056126 is 621650244123.

321442056126 is a `hidden beast` number, since 3 + 2 + 14 + 4 + 20 + 5 + 612 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321442056121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1509955 + ... + 1709633.

It is an arithmetic number, because the mean of its divisors is an integer number (9495383040).

Almost surely, 2^321442056126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321442056126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379815321600).

321442056126 is an abundant number, since it is smaller than the sum of its proper divisors (438188587074).

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

321442056126 is a wasteful number, since it uses less digits than its factorization.

321442056126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200235 (or 200226 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 321442056126 in words is "three hundred twenty-one billion, four hundred forty-two million, fifty-six thousand, one hundred twenty-six".