242045541405 has 12 divisors (see below), whose sum is σ = 419545605180. Its totient is φ = 129090955392.

The previous prime is 242045541403. The next prime is 242045541499. The reversal of 242045541405 is 504145540242.

242045541405 is a `hidden beast` number, since 2 + 4 + 204 + 5 + 5 + 41 + 405 = 666.

242045541405 is digitally balanced in base 2, 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 144927921636 + 97117619769 = 380694^2 + 311637^2 .

It is not a de Polignac number, because 242045541405 - 2¹ = 242045541403 is a prime.

It is a super-2 number, since 2×242045541405² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242045541405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242045541403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2689394860 + ... + 2689394949.

It is an arithmetic number, because the mean of its divisors is an integer number (34962133765).

Almost surely, 2^242045541405 is an apocalyptic number.

It is an amenable number.

242045541405 is a deficient number, since it is larger than the sum of its proper divisors (177500063775).

242045541405 is a wasteful number, since it uses less digits than its factorization.

242045541405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378789820 (or 5378789817 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 242045541405 in words is "two hundred forty-two billion, forty-five million, five hundred forty-one thousand, four hundred five".