4233128550 has 384 divisors, whose sum is σ = 13152015360. Its totient is φ = 880588800.

The previous prime is 4233128539. The next prime is 4233128551. The reversal of 4233128550 is 558213324.

4233128550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233128551) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 69395520 + ... + 69395580.

It is an arithmetic number, because the mean of its divisors is an integer number (34250040).

Almost surely, 2^4233128550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4233128550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6576007680).

4233128550 is an abundant number, since it is smaller than the sum of its proper divisors (8918886810).

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

4233128550 is a wasteful number, since it uses less digits than its factorization.

4233128550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 4233128550 is about 65062.4972622478. The cubic root of 4233128550 is about 1617.6596483519.

The spelling of 4233128550 in words is "four billion, two hundred thirty-three million, one hundred twenty-eight thousand, five hundred fifty".