242644642404 has 12 divisors (see below), whose sum is σ = 566170832304. Its totient is φ = 80881547464.

The previous prime is 242644642391. The next prime is 242644642501. The reversal of 242644642404 is 404246446242.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10110193422 + ... + 10110193445.

It is an arithmetic number, because the mean of its divisors is an integer number (47180902692).

Almost surely, 2^242644642404 is an apocalyptic number.

It is an amenable number.

242644642404 is an abundant number, since it is smaller than the sum of its proper divisors (323526189900).

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

242644642404 is a wasteful number, since it uses less digits than its factorization.

242644642404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220386874 (or 20220386872 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 42.

The spelling of 242644642404 in words is "two hundred forty-two billion, six hundred forty-four million, six hundred forty-two thousand, four hundred four".