442020404003 has 8 divisors (see below), whose sum is σ = 448267908096. Its totient is φ = 435773507400.

The previous prime is 442020403933. The next prime is 442020404011. The reversal of 442020404003 is 300404020244.

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 442020404003 - 2¹² = 442020399907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442020404003.

It is not an unprimeable number, because it can be changed into a prime (442020404053) 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, 1429100 + ... + 1710662.

It is an arithmetic number, because the mean of its divisors is an integer number (56033488512).

Almost surely, 2^442020404003 is an apocalyptic number.

442020404003 is a deficient number, since it is larger than the sum of its proper divisors (6247504093).

442020404003 is a wasteful number, since it uses less digits than its factorization.

442020404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303745.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 442020404003 its reverse (300404020244), we get a palindrome (742424424247).

The spelling of 442020404003 in words is "four hundred forty-two billion, twenty million, four hundred four thousand, three".