420434003342344 has 16 divisors (see below), whose sum is σ = 788314397565420. Its totient is φ = 210216830658240.

The previous prime is 420434003342333. The next prime is 420434003342347. The reversal of 420434003342344 is 443243300434024.

It can be written as a sum of positive squares in 2 ways, for example, as 270661394204100 + 149772609138244 = 16451790^2 + 12238162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420434003342297 and 420434003342306.

It is not an unprimeable number, because it can be changed into a prime (420434003342347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10608979 + ... + 30877474.

Almost surely, 2^{420434003342344} is an apocalyptic number.

It is an amenable number.

420434003342344 is a deficient number, since it is larger than the sum of its proper divisors (367880394223076).

420434003342344 is a wasteful number, since it uses less digits than its factorization.

420434003342344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42753240 (or 42753236 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 40.

Adding to 420434003342344 its reverse (443243300434024), we get a palindrome (863677303776368).

The spelling of 420434003342344 in words is "four hundred twenty trillion, four hundred thirty-four billion, three million, three hundred forty-two thousand, three hundred forty-four".