240408662279 has 2 divisors, whose sum is σ = 240408662280. Its totient is φ = 240408662278.

The previous prime is 240408662191. The next prime is 240408662297. The reversal of 240408662279 is 972266804042.

It is a happy number.

Together with next prime (240408662297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240408662279 - 2¹² = 240408658183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240408662479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120204331139 + 120204331140.

It is an arithmetic number, because the mean of its divisors is an integer number (120204331140).

Almost surely, 2^240408662279 is an apocalyptic number.

240408662279 is a deficient number, since it is larger than the sum of its proper divisors (1).

240408662279 is an equidigital number, since it uses as much as digits as its factorization.

240408662279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 240408662279 in words is "two hundred forty billion, four hundred eight million, six hundred sixty-two thousand, two hundred seventy-nine".