442494854 has 16 divisors (see below), whose sum is σ = 690320400. Its totient is φ = 212556960.

The previous prime is 442494851. The next prime is 442494859. The reversal of 442494854 is 458494244.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442494851) 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 7 ways as a sum of consecutive naturals, for example, 36929 + ... + 47420.

It is an arithmetic number, because the mean of its divisors is an integer number (43145025).

Almost surely, 2^442494854 is an apocalyptic number.

442494854 is a deficient number, since it is larger than the sum of its proper divisors (247825546).

442494854 is a wasteful number, since it uses less digits than its factorization.

442494854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84455.

The product of its digits is 737280, while the sum is 44.

The square root of 442494854 is about 21035.5616516413. The cubic root of 442494854 is about 762.0253308012.

The spelling of 442494854 in words is "four hundred forty-two million, four hundred ninety-four thousand, eight hundred fifty-four".