424404434140 has 96 divisors (see below), whose sum is σ = 938977401600. Its totient is φ = 160897336320.

The previous prime is 424404434131. The next prime is 424404434141. The reversal of 424404434140 is 41434404424.

It is a junction number, because it is equal to n+sod(n) for n = 424404434096 and 424404434105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424404434141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17996637 + ... + 18020203.

It is an arithmetic number, because the mean of its divisors is an integer number (9781014600).

Almost surely, 2^424404434140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424404434140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469488700800).

424404434140 is an abundant number, since it is smaller than the sum of its proper divisors (514572967460).

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

424404434140 is a wasteful number, since it uses less digits than its factorization.

424404434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24175 (or 24173 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 424404434140 its reverse (41434404424), we get a palindrome (465838838564).

The spelling of 424404434140 in words is "four hundred twenty-four billion, four hundred four million, four hundred thirty-four thousand, one hundred forty".