242440000039 has 2 divisors, whose sum is σ = 242440000040. Its totient is φ = 242440000038.

The previous prime is 242440000003. The next prime is 242440000073. The reversal of 242440000039 is 930000044242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242440000039 - 2³³ = 233850065447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242439999971 and 242440000016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242440007039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121220000019 + 121220000020.

It is an arithmetic number, because the mean of its divisors is an integer number (121220000020).

Almost surely, 2^242440000039 is an apocalyptic number.

242440000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

242440000039 is an equidigital number, since it uses as much as digits as its factorization.

242440000039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 242440000039 in words is "two hundred forty-two billion, four hundred forty million, thirty-nine", and thus it is an aban number.