242766401603405 has 16 divisors (see below), whose sum is σ = 291405994844160. Its totient is φ = 194155581227328.

The previous prime is 242766401603399. The next prime is 242766401603431. The reversal of 242766401603405 is 504306104667242.

It is a cyclic number.

It is not a de Polignac number, because 242766401603405 - 2⁴ = 242766401603389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062369691 + ... + 2062487399.

It is an arithmetic number, because the mean of its divisors is an integer number (18212874677760).

Almost surely, 2^{242766401603405} is an apocalyptic number.

It is an amenable number.

242766401603405 is a deficient number, since it is larger than the sum of its proper divisors (48639593240755).

242766401603405 is a wasteful number, since it uses less digits than its factorization.

242766401603405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236420.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 242766401603405 in words is "two hundred forty-two trillion, seven hundred sixty-six billion, four hundred one million, six hundred three thousand, four hundred five".