1234040440213 has 32 divisors (see below), whose sum is σ = 1460896948224. Its totient is φ = 1020522506112.

The previous prime is 1234040440177. The next prime is 1234040440267. The reversal of 1234040440213 is 3120440404321.

It is a cyclic number.

It is not a de Polignac number, because 1234040440213 - 2²⁹ = 1233503569301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234040440513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12429856 + ... + 12528742.

It is an arithmetic number, because the mean of its divisors is an integer number (45653029632).

Almost surely, 2^{1234040440213} is an apocalyptic number.

It is an amenable number.

1234040440213 is a deficient number, since it is larger than the sum of its proper divisors (226856508011).

1234040440213 is an equidigital number, since it uses as much as digits as its factorization.

1234040440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99481.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1234040440213 its reverse (3120440404321), we get a palindrome (4354480844534).

The spelling of 1234040440213 in words is "one trillion, two hundred thirty-four billion, forty million, four hundred forty thousand, two hundred thirteen".