442094454 has 48 divisors (see below), whose sum is σ = 1001456352. Its totient is φ = 140684544.

The previous prime is 442094449. The next prime is 442094459. The reversal of 442094454 is 454490244.

It is a happy number.

442094454 is a `hidden beast` number, since 4 + 4 + 209 + 445 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (442094449) and next prime (442094459).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442094459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403932 + ... + 405024.

It is an arithmetic number, because the mean of its divisors is an integer number (20863674).

Almost surely, 2^442094454 is an apocalyptic number.

442094454 is an abundant number, since it is smaller than the sum of its proper divisors (559361898).

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

442094454 is a wasteful number, since it uses less digits than its factorization.

442094454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 442094454 is about 21026.0422809429. The cubic root of 442094454 is about 761.7954170024.

The spelling of 442094454 in words is "four hundred forty-two million, ninety-four thousand, four hundred fifty-four".