242651215641 has 8 divisors (see below), whose sum is σ = 328838806144. Its totient is φ = 159115551120.

The previous prime is 242651215633. The next prime is 242651215669. The reversal of 242651215641 is 146512156242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242651215641 - 2³ = 242651215633 is a prime.

It is a super-2 number, since 2×242651215641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242651215641.

It is not an unprimeable number, because it can be changed into a prime (242651215601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662981281 + ... + 662981646.

It is an arithmetic number, because the mean of its divisors is an integer number (41104850768).

Almost surely, 2^242651215641 is an apocalyptic number.

It is an amenable number.

242651215641 is a deficient number, since it is larger than the sum of its proper divisors (86187590503).

242651215641 is a wasteful number, since it uses less digits than its factorization.

242651215641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325962991.

The product of its digits is 115200, while the sum is 39.

The spelling of 242651215641 in words is "two hundred forty-two billion, six hundred fifty-one million, two hundred fifteen thousand, six hundred forty-one".