242000402543055 has 80 divisors (see below), whose sum is σ = 468651735899424. Its totient is φ = 118762827160320.

The previous prime is 242000402543023. The next prime is 242000402543057. The reversal of 242000402543055 is 550345204000242.

242000402543055 is a `hidden beast` number, since 2 + 4 + 20 + 0 + 0 + 40 + 2 + 543 + 0 + 55 = 666.

242000402543055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242000402543055 - 2⁵ = 242000402543023 is a prime.

It is a super-2 number, since 2×242000402543055² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242000402543057) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70829401 + ... + 74167410.

Almost surely, 2^{242000402543055} is an apocalyptic number.

242000402543055 is a deficient number, since it is larger than the sum of its proper divisors (226651333356369).

242000402543055 is a wasteful number, since it uses less digits than its factorization.

242000402543055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144997158 (or 144997149 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 242000402543055 its reverse (550345204000242), we get a palindrome (792345606543297).

The spelling of 242000402543055 in words is "two hundred forty-two trillion, four hundred two million, five hundred forty-three thousand, fifty-five".