2105239008 has 48 divisors (see below), whose sum is σ = 5533632720. Its totient is φ = 700809216.

The previous prime is 2105238997. The next prime is 2105239027. The reversal of 2105239008 is 8009325012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 59566 + ... + 88082.

It is an arithmetic number, because the mean of its divisors is an integer number (115284015).

Almost surely, 2^2105239008 is an apocalyptic number.

It is an amenable number.

2105239008 is an abundant number, since it is smaller than the sum of its proper divisors (3428393712).

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

2105239008 is a wasteful number, since it uses less digits than its factorization.

2105239008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29299 (or 29291 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2105239008 is about 45882.8836059810. The cubic root of 2105239008 is about 1281.6431956401.

The spelling of 2105239008 in words is "two billion, one hundred five million, two hundred thirty-nine thousand, eight".