442624441 has 8 divisors (see below), whose sum is σ = 505984320. Its totient is φ = 379296528.

The previous prime is 442624433. The next prime is 442624447. The reversal of 442624441 is 144426244.

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

It is a cyclic number.

It is not a de Polignac number, because 442624441 - 2³ = 442624433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442624447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46230 + ... + 54976.

It is an arithmetic number, because the mean of its divisors is an integer number (63248040).

Almost surely, 2^442624441 is an apocalyptic number.

It is an amenable number.

442624441 is a deficient number, since it is larger than the sum of its proper divisors (63359879).

442624441 is an equidigital number, since it uses as much as digits as its factorization.

442624441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15983.

The product of its digits is 24576, while the sum is 31.

The square root of 442624441 is about 21038.6416148952. The cubic root of 442624441 is about 762.0997112808.

The spelling of 442624441 in words is "four hundred forty-two million, six hundred twenty-four thousand, four hundred forty-one".