240404220293 has 2 divisors, whose sum is σ = 240404220294. Its totient is φ = 240404220292.

The previous prime is 240404220241. The next prime is 240404220379. The reversal of 240404220293 is 392022404042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232432944769 + 7971275524 = 482113^2 + 89282^2 .

It is a cyclic number.

It is not a de Polignac number, because 240404220293 - 2⁶ = 240404220229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240404220593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120202110146 + 120202110147.

It is an arithmetic number, because the mean of its divisors is an integer number (120202110147).

Almost surely, 2^240404220293 is an apocalyptic number.

It is an amenable number.

240404220293 is a deficient number, since it is larger than the sum of its proper divisors (1).

240404220293 is an equidigital number, since it uses as much as digits as its factorization.

240404220293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 240404220293 in words is "two hundred forty billion, four hundred four million, two hundred twenty thousand, two hundred ninety-three".