442480711 has 4 divisors (see below), whose sum is σ = 442617192. Its totient is φ = 442344232.

The previous prime is 442480699. The next prime is 442480741. The reversal of 442480711 is 117084244.

It is a happy number.

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 442480711 - 2¹³ = 442472519 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442480741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63256 + ... + 69901.

It is an arithmetic number, because the mean of its divisors is an integer number (110654298).

Almost surely, 2^442480711 is an apocalyptic number.

442480711 is a deficient number, since it is larger than the sum of its proper divisors (136481).

442480711 is a wasteful number, since it uses less digits than its factorization.

442480711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136480.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 442480711 is about 21035.2254801321. The cubic root of 442480711 is about 762.0172121086.

The spelling of 442480711 in words is "four hundred forty-two million, four hundred eighty thousand, seven hundred eleven".