242102785636 has 12 divisors (see below), whose sum is σ = 423705372412. Its totient is φ = 121044107808.

The previous prime is 242102785609. The next prime is 242102785643. The reversal of 242102785636 is 636587201242.

242102785636 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 2 ways, for example, as 134777094400 + 107325691236 = 367120^2 + 327606^2 .

It is a super-2 number, since 2×242102785636² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746135 + ... + 1879678.

Almost surely, 2^242102785636 is an apocalyptic number.

It is an amenable number.

242102785636 is a deficient number, since it is larger than the sum of its proper divisors (181602586776).

242102785636 is a wasteful number, since it uses less digits than its factorization.

242102785636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642510 (or 3642508 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

Adding to 242102785636 its reverse (636587201242), we get a palindrome (878689986878).

The spelling of 242102785636 in words is "two hundred forty-two billion, one hundred two million, seven hundred eighty-five thousand, six hundred thirty-six".