242003644056 has 64 divisors (see below), whose sum is σ = 672284390400. Its totient is φ = 80661636000.

The previous prime is 242003644037. The next prime is 242003644117. The reversal of 242003644056 is 650446300242.

242003644056 is a `hidden beast` number, since 2 + 4 + 2 + 0 + 0 + 3 + 644 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×242003644056² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 242003644056.

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, 3375381 + ... + 3446331.

It is an arithmetic number, because the mean of its divisors is an integer number (10504443600).

Almost surely, 2^242003644056 is an apocalyptic number.

It is an amenable number.

242003644056 is an abundant number, since it is smaller than the sum of its proper divisors (430280746344).

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

242003644056 is a wasteful number, since it uses less digits than its factorization.

242003644056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86757 (or 86747 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 242003644056 its reverse (650446300242), we get a palindrome (892449944298).

The spelling of 242003644056 in words is "two hundred forty-two billion, three million, six hundred forty-four thousand, fifty-six".