2124124240 has 40 divisors (see below), whose sum is σ = 5644103040. Its totient is φ = 728270976.

The previous prime is 2124124237. The next prime is 2124124273. The reversal of 2124124240 is 424214212.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1895980 + ... + 1897099.

It is an arithmetic number, because the mean of its divisors is an integer number (141102576).

Almost surely, 2^2124124240 is an apocalyptic number.

2124124240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124124240 is an abundant number, since it is smaller than the sum of its proper divisors (3519978800).

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

2124124240 is a wasteful number, since it uses less digits than its factorization.

2124124240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793099 (or 3793093 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2124124240 is about 46088.2223566933. Note that the first 3 decimals coincide. The cubic root of 2124124240 is about 1285.4641572915.

Adding to 2124124240 its reverse (424214212), we get a palindrome (2548338452).

The spelling of 2124124240 in words is "two billion, one hundred twenty-four million, one hundred twenty-four thousand, two hundred forty".