242340392709 has 12 divisors (see below), whose sum is σ = 368470772800. Its totient is φ = 153057090024.

The previous prime is 242340392669. The next prime is 242340392717. The reversal of 242340392709 is 907293043242.

242340392709 is a `hidden beast` number, since 2 + 4 + 2 + 340 + 39 + 270 + 9 = 666.

It is not a de Polignac number, because 242340392709 - 2¹⁵ = 242340359941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242340392779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708597469 + ... + 708597810.

Almost surely, 2^242340392709 is an apocalyptic number.

It is an amenable number.

242340392709 is a deficient number, since it is larger than the sum of its proper divisors (126130380091).

242340392709 is a wasteful number, since it uses less digits than its factorization.

242340392709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417195304 (or 1417195301 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 242340392709 in words is "two hundred forty-two billion, three hundred forty million, three hundred ninety-two thousand, seven hundred nine".