2128335242 has 16 divisors (see below), whose sum is σ = 3484307232. Its totient is φ = 966987120.

The previous prime is 2128335233. The next prime is 2128335269. The reversal of 2128335242 is 2425338212.

It is a junction number, because it is equal to n+sod(n) for n = 2128335199 and 2128335208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30593 + ... + 72059.

It is an arithmetic number, because the mean of its divisors is an integer number (217769202).

Almost surely, 2^2128335242 is an apocalyptic number.

2128335242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2128335242 is a deficient number, since it is larger than the sum of its proper divisors (1355971990).

2128335242 is a wasteful number, since it uses less digits than its factorization.

2128335242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43813.

The product of its digits is 23040, while the sum is 32.

The square root of 2128335242 is about 46133.8838815897. The cubic root of 2128335242 is about 1286.3130591403.

The spelling of 2128335242 in words is "two billion, one hundred twenty-eight million, three hundred thirty-five thousand, two hundred forty-two".