442403400313 has 8 divisors (see below), whose sum is σ = 507571218432. Its totient is φ = 377727415296.

The previous prime is 442403400269. The next prime is 442403400323. The reversal of 442403400313 is 313004304244.

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

It is not a de Polignac number, because 442403400313 - 2³³ = 433813465721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442403400323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122956345 + ... + 122959942.

It is an arithmetic number, because the mean of its divisors is an integer number (63446402304).

Almost surely, 2^442403400313 is an apocalyptic number.

It is an amenable number.

442403400313 is a deficient number, since it is larger than the sum of its proper divisors (65167818119).

442403400313 is a wasteful number, since it uses less digits than its factorization.

442403400313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245916551.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 442403400313 its reverse (313004304244), we get a palindrome (755407704557).

The spelling of 442403400313 in words is "four hundred forty-two billion, four hundred three million, four hundred thousand, three hundred thirteen".