2128806246 has 64 divisors (see below), whose sum is σ = 5241139200. Its totient is φ = 562808736.

The previous prime is 2128806241. The next prime is 2128806247. The reversal of 2128806246 is 6426088212.

2128806246 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2128806246² = 9063632066017225032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128806241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3295 + ... + 65333.

It is an arithmetic number, because the mean of its divisors is an integer number (81892800).

Almost surely, 2^2128806246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128806246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620569600).

2128806246 is an abundant number, since it is smaller than the sum of its proper divisors (3112332954).

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

2128806246 is a wasteful number, since it uses less digits than its factorization.

2128806246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62113.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 2128806246 is about 46138.9883504179. The cubic root of 2128806246 is about 1286.4079398554.

The spelling of 2128806246 in words is "two billion, one hundred twenty-eight million, eight hundred six thousand, two hundred forty-six".