442920001 has 8 divisors (see below), whose sum is σ = 466761600. Its totient is φ = 419131440.

The previous prime is 442919999. The next prime is 442920011. The reversal of 442920001 is 100029244.

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 442920001 - 2¹ = 442919999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442920011) 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 7 ways as a sum of consecutive naturals, for example, 4515 + ... + 30103.

It is an arithmetic number, because the mean of its divisors is an integer number (58345200).

Almost surely, 2^442920001 is an apocalyptic number.

It is an amenable number.

442920001 is a deficient number, since it is larger than the sum of its proper divisors (23841599).

442920001 is a wasteful number, since it uses less digits than its factorization.

442920001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26519.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 442920001 is about 21045.6646604473. The cubic root of 442920001 is about 762.2693028147.

Adding to 442920001 its reverse (100029244), we get a palindrome (542949245).

The spelling of 442920001 in words is "four hundred forty-two million, nine hundred twenty thousand, one".