242651021640201 has 16 divisors (see below), whose sum is σ = 359483770609920. Its totient is φ = 161766998745840.

The previous prime is 242651021640193. The next prime is 242651021640281. The reversal of 242651021640201 is 102046120156242.

242651021640201 is a `hidden beast` number, since 2 + 4 + 2 + 6 + 5 + 1 + 0 + 2 + 1 + 640 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 242651021640201 - 2³ = 242651021640193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242651021640281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371536 + ... + 22286078.

It is an arithmetic number, because the mean of its divisors is an integer number (22467735663120).

Almost surely, 2^{242651021640201} is an apocalyptic number.

It is an amenable number.

242651021640201 is a deficient number, since it is larger than the sum of its proper divisors (116832748969719).

242651021640201 is a wasteful number, since it uses less digits than its factorization.

242651021640201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19389693 (or 19389687 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 242651021640201 its reverse (102046120156242), we get a palindrome (344697141796443).

The spelling of 242651021640201 in words is "two hundred forty-two trillion, six hundred fifty-one billion, twenty-one million, six hundred forty thousand, two hundred one".