424128552 has 16 divisors (see below), whose sum is σ = 1060321440. Its totient is φ = 141376176.

The previous prime is 424128541. The next prime is 424128553. The reversal of 424128552 is 255821424.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (424128553) 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, 8835988 + ... + 8836035.

It is an arithmetic number, because the mean of its divisors is an integer number (66270090).

Almost surely, 2^424128552 is an apocalyptic number.

It is an amenable number.

424128552 is an abundant number, since it is smaller than the sum of its proper divisors (636192888).

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

424128552 is a wasteful number, since it uses less digits than its factorization.

424128552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17672032 (or 17672028 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 424128552 is about 20594.3815639120. The cubic root of 424128552 is about 751.3330673935. Note that the first 3 decimals are identical.

Adding to 424128552 its reverse (255821424), we get a palindrome (679949976).

The spelling of 424128552 in words is "four hundred twenty-four million, one hundred twenty-eight thousand, five hundred fifty-two".