442140322020204 has 24 divisors (see below), whose sum is σ = 1076515566658560. Its totient is φ = 140972276586064.

The previous prime is 442140322020151. The next prime is 442140322020251. The reversal of 442140322020204 is 402020223041244.

It is a happy number.

It is a super-2 number, since 2×442140322020204² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800978843964 + ... + 800978844515.

It is an arithmetic number, because the mean of its divisors is an integer number (44854815277440).

Almost surely, 2^{442140322020204} is an apocalyptic number.

It is an amenable number.

442140322020204 is an abundant number, since it is smaller than the sum of its proper divisors (634375244638356).

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

442140322020204 is a wasteful number, since it uses less digits than its factorization.

442140322020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601957688509 (or 1601957688507 counting only the distinct ones).

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

Adding to 442140322020204 its reverse (402020223041244), we get a palindrome (844160545061448).

The spelling of 442140322020204 in words is "four hundred forty-two trillion, one hundred forty billion, three hundred twenty-two million, twenty thousand, two hundred four".