442231522433556 has 24 divisors (see below), whose sum is σ = 1031874044851104. Its totient is φ = 147410437119840.

The previous prime is 442231522433539. The next prime is 442231522433567. The reversal of 442231522433556 is 655334225132244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442231522433499 and 442231522433508.

It is a congruent number.

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, 21595011 + ... + 36753333.

It is an arithmetic number, because the mean of its divisors is an integer number (42994751868796).

Almost surely, 2^{442231522433556} is an apocalyptic number.

It is an amenable number.

442231522433556 is an abundant number, since it is smaller than the sum of its proper divisors (589642522417548).

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

442231522433556 is a wasteful number, since it uses less digits than its factorization.

442231522433556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17589511 (or 17589509 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 51.

The spelling of 442231522433556 in words is "four hundred forty-two trillion, two hundred thirty-one billion, five hundred twenty-two million, four hundred thirty-three thousand, five hundred fifty-six".