442065446 has 8 divisors (see below), whose sum is σ = 664906080. Its totient is φ = 220430088.

The previous prime is 442065431. The next prime is 442065461. The reversal of 442065446 is 644560244.

It is an interprime number because it is at equal distance from previous prime (442065431) and next prime (442065461).

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

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 3 ways as a sum of consecutive naturals, for example, 300401 + ... + 301868.

It is an arithmetic number, because the mean of its divisors is an integer number (83113260).

Almost surely, 2^442065446 is an apocalyptic number.

442065446 is a deficient number, since it is larger than the sum of its proper divisors (222840634).

442065446 is a wasteful number, since it uses less digits than its factorization.

442065446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602638.

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 442065446 is about 21025.3524584013. The cubic root of 442065446 is about 761.7787549184.

The spelling of 442065446 in words is "four hundred forty-two million, sixty-five thousand, four hundred forty-six".