2124031644 has 36 divisors (see below), whose sum is σ = 6136092144. Its totient is φ = 606866112.

The previous prime is 2124031643. The next prime is 2124031649. The reversal of 2124031644 is 4461304212.

It is a happy number.

2124031644 is a `hidden beast` number, since 2 + 12 + 4 + 0 + 3 + 1 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124031643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4214097 + ... + 4214600.

It is an arithmetic number, because the mean of its divisors is an integer number (170447004).

Almost surely, 2^2124031644 is an apocalyptic number.

It is an amenable number.

2124031644 is an abundant number, since it is smaller than the sum of its proper divisors (4012060500).

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

2124031644 is a wasteful number, since it uses less digits than its factorization.

2124031644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428714 (or 8428709 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2124031644 is about 46087.2177940912. The cubic root of 2124031644 is about 1285.4454781317.

Adding to 2124031644 its reverse (4461304212), we get a palindrome (6585335856).

The spelling of 2124031644 in words is "two billion, one hundred twenty-four million, thirty-one thousand, six hundred forty-four".