442532255 has 8 divisors (see below), whose sum is σ = 579315024. Its totient is φ = 321841600.

The previous prime is 442532243. The next prime is 442532263. The reversal of 442532255 is 552235244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442532255 - 2¹² = 442528159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022966 + ... + 4023075.

It is an arithmetic number, because the mean of its divisors is an integer number (72414378).

Almost surely, 2^442532255 is an apocalyptic number.

442532255 is a deficient number, since it is larger than the sum of its proper divisors (136782769).

442532255 is a wasteful number, since it uses less digits than its factorization.

442532255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8046057.

The product of its digits is 48000, while the sum is 32.

The square root of 442532255 is about 21036.4506274229. The cubic root of 442532255 is about 762.0467997563.

Adding to 442532255 its reverse (552235244), we get a palindrome (994767499).

The spelling of 442532255 in words is "four hundred forty-two million, five hundred thirty-two thousand, two hundred fifty-five".