2128494727332 has 288 divisors, whose sum is σ = 5947144519680. Its totient is φ = 638873948160.

The previous prime is 2128494727327. The next prime is 2128494727369. The reversal of 2128494727332 is 2337274948212.

It is a happy number.

2128494727332 is a `hidden beast` number, since 2 + 1 + 284 + 9 + 4 + 7 + 27 + 332 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 993230253 + ... + 993232395.

It is an arithmetic number, because the mean of its divisors is an integer number (20649807360).

Almost surely, 2^{2128494727332} 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 2128494727332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973572259840).

2128494727332 is an abundant number, since it is smaller than the sum of its proper divisors (3818649792348).

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

2128494727332 is a wasteful number, since it uses less digits than its factorization.

2128494727332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683 (or 2678 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 2128494727332 in words is "two trillion, one hundred twenty-eight billion, four hundred ninety-four million, seven hundred twenty-seven thousand, three hundred thirty-two".