424215232 has 56 divisors (see below), whose sum is σ = 982577664. Its totient is φ = 177929472.

The previous prime is 424215199. The next prime is 424215271. The reversal of 424215232 is 232512424.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 424215197 and 424215206.

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, 10983 + ... + 31129.

Almost surely, 2^424215232 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 424215232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491288832).

424215232 is an abundant number, since it is smaller than the sum of its proper divisors (558362432).

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

424215232 is a wasteful number, since it uses less digits than its factorization.

424215232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213 (or 20203 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 424215232 is about 20596.4859138640. The cubic root of 424215232 is about 751.3842477207.

Adding to 424215232 its reverse (232512424), we get a palindrome (656727656).

The spelling of 424215232 in words is "four hundred twenty-four million, two hundred fifteen thousand, two hundred thirty-two".