442775041 has 4 divisors (see below), whose sum is σ = 454741972. Its totient is φ = 430808112.

The previous prime is 442775023. The next prime is 442775071. The reversal of 442775041 is 140577244.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 323856016 + 118919025 = 17996^2 + 10905^2 .

It is a cyclic number.

It is not a de Polignac number, because 442775041 - 2²⁷ = 308557313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442774988 and 442775006.

It is not an unprimeable number, because it can be changed into a prime (442775071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5983410 + ... + 5983483.

It is an arithmetic number, because the mean of its divisors is an integer number (113685493).

Almost surely, 2^442775041 is an apocalyptic number.

It is an amenable number.

442775041 is a deficient number, since it is larger than the sum of its proper divisors (11966931).

442775041 is a wasteful number, since it uses less digits than its factorization.

442775041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966930.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 442775041 is about 21042.2204389176. The cubic root of 442775041 is about 762.1861345865.

The spelling of 442775041 in words is "four hundred forty-two million, seven hundred seventy-five thousand, forty-one".