240213400961 has 2 divisors, whose sum is σ = 240213400962. Its totient is φ = 240213400960.

The previous prime is 240213400943. The next prime is 240213401017. The reversal of 240213400961 is 169004312042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220467811600 + 19745589361 = 469540^2 + 140519^2 .

It is a cyclic number.

It is not a de Polignac number, because 240213400961 - 2³⁰ = 239139659137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240213400061) 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 as a sum of consecutive naturals, namely, 120106700480 + 120106700481.

It is an arithmetic number, because the mean of its divisors is an integer number (120106700481).

Almost surely, 2^240213400961 is an apocalyptic number.

It is an amenable number.

240213400961 is a deficient number, since it is larger than the sum of its proper divisors (1).

240213400961 is an equidigital number, since it uses as much as digits as its factorization.

240213400961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 240213400961 in words is "two hundred forty billion, two hundred thirteen million, four hundred thousand, nine hundred sixty-one".