442982441 has 4 divisors (see below), whose sum is σ = 483253584. Its totient is φ = 402711300.

The previous prime is 442982429. The next prime is 442982489. The reversal of 442982441 is 144289244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442982441 - 2²⁶ = 375873577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442982395 and 442982404.

It is not an unprimeable number, because it can be changed into a prime (442982741) by changing a digit.

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, 20135555 + ... + 20135576.

It is an arithmetic number, because the mean of its divisors is an integer number (120813396).

Almost surely, 2^442982441 is an apocalyptic number.

It is an amenable number.

442982441 is a deficient number, since it is larger than the sum of its proper divisors (40271143).

442982441 is a wasteful number, since it uses less digits than its factorization.

442982441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40271142.

The product of its digits is 73728, while the sum is 38.

The square root of 442982441 is about 21047.1480490826. The cubic root of 442982441 is about 762.3051210653.

The spelling of 442982441 in words is "four hundred forty-two million, nine hundred eighty-two thousand, four hundred forty-one".