240404043727189 has 2 divisors, whose sum is σ = 240404043727190. Its totient is φ = 240404043727188.

The previous prime is 240404043727123. The next prime is 240404043727193. The reversal of 240404043727189 is 981727340404042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240360682744900 + 43360982289 = 15503570^2 + 208233^2 .

It is a cyclic number.

It is not a de Polignac number, because 240404043727189 - 2¹⁵ = 240404043694421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240404043727789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120202021863594 + 120202021863595.

It is an arithmetic number, because the mean of its divisors is an integer number (120202021863595).

Almost surely, 2^{240404043727189} is an apocalyptic number.

It is an amenable number.

240404043727189 is a deficient number, since it is larger than the sum of its proper divisors (1).

240404043727189 is an equidigital number, since it uses as much as digits as its factorization.

240404043727189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 240404043727189 in words is "two hundred forty trillion, four hundred four billion, forty-three million, seven hundred twenty-seven thousand, one hundred eighty-nine".