244040340312133 has 4 divisors (see below), whose sum is σ = 244040463811980. Its totient is φ = 244040216812288.

The previous prime is 244040340312107. The next prime is 244040340312277. The reversal of 244040340312133 is 331213043040442.

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 131132225884804 + 112908114427329 = 11451298^2 + 10625823^2 .

It is a cyclic number.

It is not a de Polignac number, because 244040340312133 - 2²⁵ = 244040306757701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244040340319133) 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, 58736860 + ... + 62754277.

It is an arithmetic number, because the mean of its divisors is an integer number (61010115952995).

Almost surely, 2^{244040340312133} is an apocalyptic number.

It is an amenable number.

244040340312133 is a deficient number, since it is larger than the sum of its proper divisors (123499847).

244040340312133 is a wasteful number, since it uses less digits than its factorization.

244040340312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123499846.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 244040340312133 its reverse (331213043040442), we get a palindrome (575253383352575).

The spelling of 244040340312133 in words is "two hundred forty-four trillion, forty billion, three hundred forty million, three hundred twelve thousand, one hundred thirty-three".