2140040324266 has 16 divisors (see below), whose sum is σ = 3457155378600. Its totient is φ = 987663158208.

The previous prime is 2140040324251. The next prime is 2140040324267. The reversal of 2140040324266 is 6624230400412.

It can be written as a sum of positive squares in 4 ways, for example, as 2135459065041 + 4581259225 = 1461321^2 + 67685^2 .

It is not an unprimeable number, because it can be changed into a prime (2140040324267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439121 + ... + 2520148.

Almost surely, 2^{2140040324266} is an apocalyptic number.

2140040324266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2140040324266 is a deficient number, since it is larger than the sum of its proper divisors (1317115054334).

2140040324266 is a wasteful number, since it uses less digits than its factorization.

2140040324266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980073.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 2140040324266 its reverse (6624230400412), we get a palindrome (8764270724678).

The spelling of 2140040324266 in words is "two trillion, one hundred forty billion, forty million, three hundred twenty-four thousand, two hundred sixty-six".