4128711552 has 192 divisors, whose sum is σ = 14293219200. Its totient is φ = 1117504512.

The previous prime is 4128711551. The next prime is 4128711599. The reversal of 4128711552 is 2551178214.

It is a happy number.

4128711552 is a `hidden beast` number, since 4 + 12 + 87 + 11 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128711551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139743 + ... + 166689.

It is an arithmetic number, because the mean of its divisors is an integer number (74443850).

Almost surely, 2^4128711552 is an apocalyptic number.

4128711552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4128711552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7146609600).

4128711552 is an abundant number, since it is smaller than the sum of its proper divisors (10164507648).

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

4128711552 is a wasteful number, since it uses less digits than its factorization.

4128711552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26993 (or 26978 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 4128711552 is about 64255.0507898017. The cubic root of 4128711552 is about 1604.2480280959.

Adding to 4128711552 its reverse (2551178214), we get a palindrome (6679889766).

The spelling of 4128711552 in words is "four billion, one hundred twenty-eight million, seven hundred eleven thousand, five hundred fifty-two".