424224640424 has 16 divisors (see below), whose sum is σ = 856607447220. Its totient is φ = 195795987840.

The previous prime is 424224640337. The next prime is 424224640453. The reversal of 424224640424 is 424046422424.

It can be written as a sum of positive squares in 2 ways, for example, as 420399217924 + 3825422500 = 648382^2 + 61850^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2039541437 + ... + 2039541644.

Almost surely, 2^424224640424 is an apocalyptic number.

It is an amenable number.

424224640424 is an abundant number, since it is smaller than the sum of its proper divisors (432382806796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424224640424 is a wasteful number, since it uses less digits than its factorization.

424224640424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079083100 (or 4079083096 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 38.

The spelling of 424224640424 in words is "four hundred twenty-four billion, two hundred twenty-four million, six hundred forty thousand, four hundred twenty-four".