242019005618 has 48 divisors (see below), whose sum is σ = 395671682952. Its totient is φ = 110972160000.

The previous prime is 242019005611. The next prime is 242019005623. The reversal of 242019005618 is 816500910242.

It can be written as a sum of positive squares in 12 ways, for example, as 87564503569 + 154454502049 = 295913^2 + 393007^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (242019005611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116298338 + ... + 116300418.

Almost surely, 2^242019005618 is an apocalyptic number.

242019005618 is a deficient number, since it is larger than the sum of its proper divisors (153652677334).

242019005618 is a wasteful number, since it uses less digits than its factorization.

242019005618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 242019005618 in words is "two hundred forty-two billion, nineteen million, five thousand, six hundred eighteen".