2140144420 has 48 divisors (see below), whose sum is σ = 4735765440. Its totient is φ = 810158976.

The previous prime is 2140144393. The next prime is 2140144429. The reversal of 2140144420 is 244410412.

It is a junction number, because it is equal to n+sod(n) for n = 2140144391 and 2140144400.

It is not an unprimeable number, because it can be changed into a prime (2140144429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458619 + ... + 463261.

It is an arithmetic number, because the mean of its divisors is an integer number (98661780).

Almost surely, 2^2140144420 is an apocalyptic number.

2140144420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140144420 is an abundant number, since it is smaller than the sum of its proper divisors (2595621020).

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

2140144420 is a wasteful number, since it uses less digits than its factorization.

2140144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5882 counting only the distinct ones).

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

The square root of 2140144420 is about 46261.6949538168. The cubic root of 2140144420 is about 1288.6877306899.

Adding to 2140144420 its reverse (244410412), we get a palindrome (2384554832).

The spelling of 2140144420 in words is "two billion, one hundred forty million, one hundred forty-four thousand, four hundred twenty".