424304440345 has 4 divisors (see below), whose sum is σ = 509165328420. Its totient is φ = 339443552272.

The previous prime is 424304440333. The next prime is 424304440387. The reversal of 424304440345 is 543044403424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42525038656 + 381779401689 = 206216^2 + 617883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424304440345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42430444030 + ... + 42430444039.

It is an arithmetic number, because the mean of its divisors is an integer number (127291332105).

Almost surely, 2^424304440345 is an apocalyptic number.

It is an amenable number.

424304440345 is a deficient number, since it is larger than the sum of its proper divisors (84860888075).

424304440345 is an equidigital number, since it uses as much as digits as its factorization.

424304440345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84860888074.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 424304440345 its reverse (543044403424), we get a palindrome (967348843769).

The spelling of 424304440345 in words is "four hundred twenty-four billion, three hundred four million, four hundred forty thousand, three hundred forty-five".