442764230 has 32 divisors (see below), whose sum is σ = 813697920. Its totient is φ = 173416320.

The previous prime is 442764221. The next prime is 442764253. The reversal of 442764230 is 32467244.

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 15 ways as a sum of consecutive naturals, for example, 144272 + ... + 147308.

It is an arithmetic number, because the mean of its divisors is an integer number (25428060).

Almost surely, 2^442764230 is an apocalyptic number.

442764230 is a deficient number, since it is larger than the sum of its proper divisors (370933690).

442764230 is a wasteful number, since it uses less digits than its factorization.

442764230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 442764230 is about 21041.9635490607. The cubic root of 442764230 is about 762.1799312398.

The spelling of 442764230 in words is "four hundred forty-two million, seven hundred sixty-four thousand, two hundred thirty".