2140440002401 has 4 divisors (see below), whose sum is σ = 2140650333892. Its totient is φ = 2140229670912.

The previous prime is 2140440002357. The next prime is 2140440002413. The reversal of 2140440002401 is 1042000440412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1708628051025 + 431811951376 = 1307145^2 + 657124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140440002401 - 2⁷ = 2140440002273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140440002471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105150480 + ... + 105170833.

It is an arithmetic number, because the mean of its divisors is an integer number (535162583473).

Almost surely, 2^{2140440002401} is an apocalyptic number.

It is an amenable number.

2140440002401 is a deficient number, since it is larger than the sum of its proper divisors (210331491).

2140440002401 is a wasteful number, since it uses less digits than its factorization.

2140440002401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210331490.

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

Adding to 2140440002401 its reverse (1042000440412), we get a palindrome (3182440442813).

The spelling of 2140440002401 in words is "two trillion, one hundred forty billion, four hundred forty million, two thousand, four hundred one".