2148788826 has 24 divisors (see below), whose sum is σ = 4711805280. Its totient is φ = 707632776.

The previous prime is 2148788813. The next prime is 2148788827. The reversal of 2148788826 is 6288878412.

2148788826 is a `hidden beast` number, since 2 + 1 + 487 + 88 + 82 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2148788827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717646 + ... + 720633.

It is an arithmetic number, because the mean of its divisors is an integer number (196325220).

Almost surely, 2^2148788826 is an apocalyptic number.

2148788826 is an abundant number, since it is smaller than the sum of its proper divisors (2563016454).

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

2148788826 is a wasteful number, since it uses less digits than its factorization.

2148788826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438370 (or 1438367 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 2148788826 is about 46355.0302124807. The cubic root of 2148788826 is about 1290.4204758748.

The spelling of 2148788826 in words is "two billion, one hundred forty-eight million, seven hundred eighty-eight thousand, eight hundred twenty-six".