442066315 has 4 divisors (see below), whose sum is σ = 530479584. Its totient is φ = 353653048.

The previous prime is 442066301. The next prime is 442066321. The reversal of 442066315 is 513660244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442066315 - 2²⁷ = 307848587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44206627 + ... + 44206636.

It is an arithmetic number, because the mean of its divisors is an integer number (132619896).

Almost surely, 2^442066315 is an apocalyptic number.

442066315 is a deficient number, since it is larger than the sum of its proper divisors (88413269).

442066315 is an equidigital number, since it uses as much as digits as its factorization.

442066315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88413268.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 442066315 is about 21025.3731239186. The cubic root of 442066315 is about 761.7792540793.

The spelling of 442066315 in words is "four hundred forty-two million, sixty-six thousand, three hundred fifteen".