240440338399 has 2 divisors, whose sum is σ = 240440338400. Its totient is φ = 240440338398.

The previous prime is 240440338343. The next prime is 240440338417. The reversal of 240440338399 is 993833044042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240440338399 - 2¹¹ = 240440336351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240440308399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120220169199 + 120220169200.

It is an arithmetic number, because the mean of its divisors is an integer number (120220169200).

Almost surely, 2^240440338399 is an apocalyptic number.

240440338399 is a deficient number, since it is larger than the sum of its proper divisors (1).

240440338399 is an equidigital number, since it uses as much as digits as its factorization.

240440338399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 240440338399 in words is "two hundred forty billion, four hundred forty million, three hundred thirty-eight thousand, three hundred ninety-nine".