2140044113421 has 6 divisors (see below), whose sum is σ = 3091174830510. Its totient is φ = 1426696075608.

The previous prime is 2140044113369. The next prime is 2140044113423. The reversal of 2140044113421 is 1243114400412.

2140044113421 is a `hidden beast` number, since 214 + 0 + 0 + 4 + 411 + 34 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1902496076100 + 237548037321 = 1379310^2 + 487389^2 .

It is not a de Polignac number, because 2140044113421 - 2³¹ = 2137896629773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140044113423) 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 5 ways as a sum of consecutive naturals, for example, 118891339626 + ... + 118891339643.

It is an arithmetic number, because the mean of its divisors is an integer number (515195805085).

Almost surely, 2^{2140044113421} is an apocalyptic number.

It is an amenable number.

2140044113421 is a deficient number, since it is larger than the sum of its proper divisors (951130717089).

2140044113421 is a wasteful number, since it uses less digits than its factorization.

2140044113421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237782679275 (or 237782679272 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 2140044113421 its reverse (1243114400412), we get a palindrome (3383158513833).

The spelling of 2140044113421 in words is "two trillion, one hundred forty billion, forty-four million, one hundred thirteen thousand, four hundred twenty-one".