442446444042 has 32 divisors (see below), whose sum is σ = 902780474112. Its totient is φ = 144508238784.

The previous prime is 442446444029. The next prime is 442446444049. The reversal of 442446444042 is 240444644244.

It is a junction number, because it is equal to n+sod(n) for n = 442446443985 and 442446444003.

It is not an unprimeable number, because it can be changed into a prime (442446444049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678258 + ... + 1159709.

It is an arithmetic number, because the mean of its divisors is an integer number (28211889816).

Almost surely, 2^442446444042 is an apocalyptic number.

442446444042 is an abundant number, since it is smaller than the sum of its proper divisors (460334030070).

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

442446444042 is a wasteful number, since it uses less digits than its factorization.

442446444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838782.

The product of its (nonzero) digits is 1572864, while the sum is 42.

The spelling of 442446444042 in words is "four hundred forty-two billion, four hundred forty-six million, four hundred forty-four thousand, forty-two".