442612441 has 4 divisors (see below), whose sum is σ = 443514384. Its totient is φ = 441710500.

The previous prime is 442612421. The next prime is 442612447. The reversal of 442612441 is 144216244.

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 442612441 - 2⁵ = 442612409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442612447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450235 + ... + 451216.

It is an arithmetic number, because the mean of its divisors is an integer number (110878596).

Almost surely, 2^442612441 is an apocalyptic number.

It is an amenable number.

442612441 is a deficient number, since it is larger than the sum of its proper divisors (901943).

442612441 is an equidigital number, since it uses as much as digits as its factorization.

442612441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901942.

The product of its digits is 6144, while the sum is 28.

The square root of 442612441 is about 21038.3564234472. The cubic root of 442612441 is about 762.0928241184.

Adding to 442612441 its reverse (144216244), we get a palindrome (586828685).

The spelling of 442612441 in words is "four hundred forty-two million, six hundred twelve thousand, four hundred forty-one".