533128128 has 112 divisors (see below), whose sum is σ = 1529364480. Its totient is φ = 162929664.

The previous prime is 533128121. The next prime is 533128133. The reversal of 533128128 is 821821335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533128121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416193 + ... + 417471.

It is an arithmetic number, because the mean of its divisors is an integer number (13655040).

Almost surely, 2^533128128 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 533128128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764682240).

533128128 is an abundant number, since it is smaller than the sum of its proper divisors (996236352).

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

533128128 is a wasteful number, since it uses less digits than its factorization.

533128128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1464 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 533128128 is about 23089.5675143559. The cubic root of 533128128 is about 810.8562443769.

The spelling of 533128128 in words is "five hundred thirty-three million, one hundred twenty-eight thousand, one hundred twenty-eight".