240240404473 has 2 divisors, whose sum is σ = 240240404474. Its totient is φ = 240240404472.

The previous prime is 240240404389. The next prime is 240240404479. The reversal of 240240404473 is 374404042042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176498293689 + 63742110784 = 420117^2 + 252472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240240404473 is a prime.

It is not a weakly prime, because it can be changed into another prime (240240404479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120120202236 + 120120202237.

It is an arithmetic number, because the mean of its divisors is an integer number (120120202237).

Almost surely, 2^240240404473 is an apocalyptic number.

It is an amenable number.

240240404473 is a deficient number, since it is larger than the sum of its proper divisors (1).

240240404473 is an equidigital number, since it uses as much as digits as its factorization.

240240404473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 34.

The spelling of 240240404473 in words is "two hundred forty billion, two hundred forty million, four hundred four thousand, four hundred seventy-three".