2128887552 has 216 divisors, whose sum is σ = 6437455360. Its totient is φ = 623462400.

The previous prime is 2128887529. The next prime is 2128887557. The reversal of 2128887552 is 2557888212.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128887557) 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, 2880399 + ... + 2881137.

Almost surely, 2^2128887552 is an apocalyptic number.

2128887552 is a gapful number since it is divisible by the number (22) 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 2128887552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3218727680).

2128887552 is an abundant number, since it is smaller than the sum of its proper divisors (4308567808).

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

2128887552 is a wasteful number, since it uses less digits than its factorization.

2128887552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 786 counting only the distinct ones).

The product of its digits is 716800, while the sum is 48.

The square root of 2128887552 is about 46139.8694406475. The cubic root of 2128887552 is about 1286.4243170077.

The spelling of 2128887552 in words is "two billion, one hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred fifty-two".