442105994 has 16 divisors (see below), whose sum is σ = 724424256. Its totient is φ = 200685600.

The previous prime is 442105967. The next prime is 442105997. The reversal of 442105994 is 499501244.

It is not an unprimeable number, because it can be changed into a prime (442105997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3539 + ... + 29945.

It is an arithmetic number, because the mean of its divisors is an integer number (45276516).

Almost surely, 2^442105994 is an apocalyptic number.

442105994 is a deficient number, since it is larger than the sum of its proper divisors (282318262).

442105994 is a wasteful number, since it uses less digits than its factorization.

442105994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27181.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 442105994 is about 21026.3167007443. The cubic root of 442105994 is about 761.8020453315.

The spelling of 442105994 in words is "four hundred forty-two million, one hundred five thousand, nine hundred ninety-four".