442441454 has 16 divisors (see below), whose sum is σ = 816815328. Its totient is φ = 175031712.

The previous prime is 442441453. The next prime is 442441477. The reversal of 442441454 is 454144244.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442441454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442441453) 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, 1215317 + ... + 1215680.

It is an arithmetic number, because the mean of its divisors is an integer number (51050958).

Almost surely, 2^442441454 is an apocalyptic number.

442441454 is a deficient number, since it is larger than the sum of its proper divisors (374373874).

442441454 is a wasteful number, since it uses less digits than its factorization.

442441454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431019.

The product of its digits is 40960, while the sum is 32.

The square root of 442441454 is about 21034.2923341861. The cubic root of 442441454 is about 761.9946759892.

Adding to 442441454 its reverse (454144244), we get a palindrome (896585698).

The spelling of 442441454 in words is "four hundred forty-two million, four hundred forty-one thousand, four hundred fifty-four".