442742298 has 16 divisors (see below), whose sum is σ = 898701600. Its totient is φ = 145377936.

The previous prime is 442742291. The next prime is 442742309. The reversal of 442742298 is 892247244.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442742291) 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, 550273 + ... + 551076.

It is an arithmetic number, because the mean of its divisors is an integer number (56168850).

Almost surely, 2^442742298 is an apocalyptic number.

442742298 is an abundant number, since it is smaller than the sum of its proper divisors (455959302).

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

442742298 is a wasteful number, since it uses less digits than its factorization.

442742298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101421.

The product of its digits is 258048, while the sum is 42.

The square root of 442742298 is about 21041.4423935243. The cubic root of 442742298 is about 762.1673463581.

The spelling of 442742298 in words is "four hundred forty-two million, seven hundred forty-two thousand, two hundred ninety-eight".