242040168405 has 48 divisors (see below), whose sum is σ = 507674179584. Its totient is φ = 104138288640.

The previous prime is 242040168379. The next prime is 242040168437. The reversal of 242040168405 is 504861040242.

242040168405 is a `hidden beast` number, since 242 + 0 + 4 + 0 + 1 + 6 + 8 + 405 = 666.

It is not a de Polignac number, because 242040168405 - 2⁵ = 242040168373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242040168405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22594101 + ... + 22604810.

It is an arithmetic number, because the mean of its divisors is an integer number (10576545408).

Almost surely, 2^242040168405 is an apocalyptic number.

It is an amenable number.

242040168405 is an abundant number, since it is smaller than the sum of its proper divisors (265634011179).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242040168405 is a wasteful number, since it uses less digits than its factorization.

242040168405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45198946 (or 45198943 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 242040168405 in words is "two hundred forty-two billion, forty million, one hundred sixty-eight thousand, four hundred five".