424243332 has 120 divisors (see below), whose sum is σ = 1166935616. Its totient is φ = 134229312.

The previous prime is 424243321. The next prime is 424243357. The reversal of 424243332 is 233342424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 424243296 and 424243305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 515073 + ... + 515895.

Almost surely, 2^424243332 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 424243332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583467808).

424243332 is an abundant number, since it is smaller than the sum of its proper divisors (742692284).

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

424243332 is a wasteful number, since it uses less digits than its factorization.

424243332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 908 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 424243332 is about 20597.1680577695. The cubic root of 424243332 is about 751.4008379085.

Adding to 424243332 its reverse (233342424), we get a palindrome (657585756).

It can be divided in two parts, 4242 and 43332, that added together give a palindrome (47574).

The spelling of 424243332 in words is "four hundred twenty-four million, two hundred forty-three thousand, three hundred thirty-two".