424443445345405 has 8 divisors (see below), whose sum is σ = 509345028156672. Its totient is φ = 339546160448208.

The previous prime is 424443445345393. The next prime is 424443445345417. The reversal of 424443445345405 is 504543544344424.

It is an interprime number because it is at equal distance from previous prime (424443445345393) and next prime (424443445345417).

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 424443445345405 - 2¹⁷ = 424443445214333 is a prime.

It is a super-2 number, since 2×424443445345405² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074261249 + ... + 1074656278.

It is an arithmetic number, because the mean of its divisors is an integer number (63668128519584).

Almost surely, 2^{424443445345405} is an apocalyptic number.

It is an amenable number.

424443445345405 is a deficient number, since it is larger than the sum of its proper divisors (84901582811267).

424443445345405 is a wasteful number, since it uses less digits than its factorization.

424443445345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148957035.

The product of its (nonzero) digits is 147456000, while the sum is 55.

Adding to 424443445345405 its reverse (504543544344424), we get a palindrome (928986989689829).

The spelling of 424443445345405 in words is "four hundred twenty-four trillion, four hundred forty-three billion, four hundred forty-five million, three hundred forty-five thousand, four hundred five".