242555333355 has 64 divisors (see below), whose sum is σ = 438958310400. Its totient is φ = 127042606080.

The previous prime is 242555333303. The next prime is 242555333393. The reversal of 242555333355 is 553333555242.

242555333355 is a `hidden beast` number, since 2 + 42 + 5 + 553 + 3 + 3 + 3 + 55 = 666.

It is not a de Polignac number, because 242555333355 - 2⁶ = 242555333291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 242555333355.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8197147 + ... + 8226683.

It is an arithmetic number, because the mean of its divisors is an integer number (6858723600).

Almost surely, 2^242555333355 is an apocalyptic number.

242555333355 is a deficient number, since it is larger than the sum of its proper divisors (196402977045).

242555333355 is a wasteful number, since it uses less digits than its factorization.

242555333355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30641 (or 30635 counting only the distinct ones).

The product of its digits is 4050000, while the sum is 45.

Adding to 242555333355 its reverse (553333555242), we get a palindrome (795888888597).

The spelling of 242555333355 in words is "two hundred forty-two billion, five hundred fifty-five million, three hundred thirty-three thousand, three hundred fifty-five".