242635254405 has 32 divisors (see below), whose sum is σ = 399623583744. Its totient is φ = 125639121216.

The previous prime is 242635254397. The next prime is 242635254443. The reversal of 242635254405 is 504452536242.

It is not a de Polignac number, because 242635254405 - 2³ = 242635254397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1018569 + ... + 1233998.

It is an arithmetic number, because the mean of its divisors is an integer number (12488236992).

Almost surely, 2^242635254405 is an apocalyptic number.

It is an amenable number.

242635254405 is a deficient number, since it is larger than the sum of its proper divisors (156988329339).

242635254405 is a wasteful number, since it uses less digits than its factorization.

242635254405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252785.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 242635254405 in words is "two hundred forty-two billion, six hundred thirty-five million, two hundred fifty-four thousand, four hundred five".