424128572 has 24 divisors (see below), whose sum is σ = 848695680. Its totient is φ = 181675440.

The previous prime is 424128571. The next prime is 424128581. The reversal of 424128572 is 275821424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424128571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95579 + ... + 99917.

It is an arithmetic number, because the mean of its divisors is an integer number (35362320).

Almost surely, 2^424128572 is an apocalyptic number.

It is an amenable number.

424128572 is an abundant number, since it is smaller than the sum of its proper divisors (424567108).

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

424128572 is a wasteful number, since it uses less digits than its factorization.

424128572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841 (or 7839 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 424128572 is about 20594.3820494814. The cubic root of 424128572 is about 751.3330792033. Note that the first 3 decimals are identical.

Adding to 424128572 its reverse (275821424), we get a palindrome (699949996).

The spelling of 424128572 in words is "four hundred twenty-four million, one hundred twenty-eight thousand, five hundred seventy-two".