2105240304 has 40 divisors (see below), whose sum is σ = 5450980480. Its totient is φ = 700141248.

The previous prime is 2105240273. The next prime is 2105240321. The reversal of 2105240304 is 4030425012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28882 + ... + 71025.

It is an arithmetic number, because the mean of its divisors is an integer number (136274512).

Almost surely, 2^2105240304 is an apocalyptic number.

2105240304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2105240304 is an abundant number, since it is smaller than the sum of its proper divisors (3345740176).

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

2105240304 is a wasteful number, since it uses less digits than its factorization.

2105240304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100357 (or 100351 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2105240304 is about 45882.8977288924. The cubic root of 2105240304 is about 1281.6434586363.

Adding to 2105240304 its reverse (4030425012), we get a palindrome (6135665316).

The spelling of 2105240304 in words is "two billion, one hundred five million, two hundred forty thousand, three hundred four".