442004440056 has 16 divisors (see below), whose sum is σ = 1105011100200. Its totient is φ = 147334813344.

The previous prime is 442004440051. The next prime is 442004440067. The reversal of 442004440056 is 650044400244.

It is a junction number, because it is equal to n+sod(n) for n = 442004439999 and 442004440026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442004440051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9208425811 + ... + 9208425858.

Almost surely, 2^442004440056 is an apocalyptic number.

It is an amenable number.

442004440056 is an abundant number, since it is smaller than the sum of its proper divisors (663006660144).

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

442004440056 is a wasteful number, since it uses less digits than its factorization.

442004440056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416851678 (or 18416851674 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 442004440056 in words is "four hundred forty-two billion, four million, four hundred forty thousand, fifty-six".