240168394441 has 2 divisors, whose sum is σ = 240168394442. Its totient is φ = 240168394440.

The previous prime is 240168394399. The next prime is 240168394463. The reversal of 240168394441 is 144493861042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144008865225 + 96159529216 = 379485^2 + 310096^2 .

It is a cyclic number.

It is not a de Polignac number, because 240168394441 - 2¹⁷ = 240168263369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240168394391 and 240168394400.

It is not a weakly prime, because it can be changed into another prime (240168394471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120084197220 + 120084197221.

It is an arithmetic number, because the mean of its divisors is an integer number (120084197221).

Almost surely, 2^240168394441 is an apocalyptic number.

It is an amenable number.

240168394441 is a deficient number, since it is larger than the sum of its proper divisors (1).

240168394441 is an equidigital number, since it uses as much as digits as its factorization.

240168394441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 240168394441 in words is "two hundred forty billion, one hundred sixty-eight million, three hundred ninety-four thousand, four hundred forty-one".