242236155256 has 8 divisors (see below), whose sum is σ = 454192791120. Its totient is φ = 121118077624.

The previous prime is 242236155253. The next prime is 242236155307. The reversal of 242236155256 is 652551632242.

242236155256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242236155253) 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 as a sum of consecutive naturals, namely, 15139759696 + ... + 15139759711.

It is an arithmetic number, because the mean of its divisors is an integer number (56774098890).

Almost surely, 2^242236155256 is an apocalyptic number.

It is an amenable number.

242236155256 is a deficient number, since it is larger than the sum of its proper divisors (211956635864).

242236155256 is a wasteful number, since it uses less digits than its factorization.

242236155256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30279519413 (or 30279519409 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

Adding to 242236155256 its reverse (652551632242), we get a palindrome (894787787498).

The spelling of 242236155256 in words is "two hundred forty-two billion, two hundred thirty-six million, one hundred fifty-five thousand, two hundred fifty-six".