2144242040 has 64 divisors (see below), whose sum is σ = 4864860000. Its totient is φ = 850567680.

The previous prime is 2144242013. The next prime is 2144242043. The reversal of 2144242040 is 402424412.

It is a super-2 number, since 2×2144242040² = 9195547852206723200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144241997 and 2144242015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144242043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3754955 + ... + 3755525.

Almost surely, 2^2144242040 is an apocalyptic number.

2144242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144242040 is an abundant number, since it is smaller than the sum of its proper divisors (2720617960).

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

2144242040 is a wasteful number, since it uses less digits than its factorization.

2144242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2144242040 is about 46305.9611713222. The cubic root of 2144242040 is about 1289.5096668203.

Adding to 2144242040 its reverse (402424412), we get a palindrome (2546666452).

The spelling of 2144242040 in words is "two billion, one hundred forty-four million, two hundred forty-two thousand, forty".