242418563855 has 32 divisors (see below), whose sum is σ = 317170351680. Its totient is φ = 176806748160.

The previous prime is 242418563843. The next prime is 242418563897. The reversal of 242418563855 is 558365814242.

It is not a de Polignac number, because 242418563855 - 2¹⁸ = 242418301711 is a prime.

It is a super-2 number, since 2×242418563855² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242418563797 and 242418563806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674245 + ... + 1813265.

It is an arithmetic number, because the mean of its divisors is an integer number (9911573490).

Almost surely, 2^242418563855 is an apocalyptic number.

242418563855 is a deficient number, since it is larger than the sum of its proper divisors (74751787825).

242418563855 is a wasteful number, since it uses less digits than its factorization.

242418563855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139371.

The product of its digits is 9216000, while the sum is 53.

The spelling of 242418563855 in words is "two hundred forty-two billion, four hundred eighteen million, five hundred sixty-three thousand, eight hundred fifty-five".