242666226436 has 18 divisors (see below), whose sum is σ = 451115677418. Its totient is φ = 114195870720.

The previous prime is 242666226427. The next prime is 242666226463. The reversal of 242666226436 is 634622666242.

242666226436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 139618806336 + 103047420100 = 373656^2 + 321010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242666226436.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104958285 + ... + 104960596.

Almost surely, 2^242666226436 is an apocalyptic number.

It is an amenable number.

242666226436 is a deficient number, since it is larger than the sum of its proper divisors (208449450982).

242666226436 is a wasteful number, since it uses less digits than its factorization.

242666226436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209918919 (or 209918900 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 49.

The spelling of 242666226436 in words is "two hundred forty-two billion, six hundred sixty-six million, two hundred twenty-six thousand, four hundred thirty-six".