256235672242 has 32 divisors (see below), whose sum is σ = 424440523584. Its totient is φ = 115041998400.

The previous prime is 256235672227. The next prime is 256235672249. The reversal of 256235672242 is 242276532652.

256235672242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256235672192 and 256235672201.

It is not an unprimeable number, because it can be changed into a prime (256235672249) 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 15 ways as a sum of consecutive naturals, for example, 9988192 + ... + 10013812.

It is an arithmetic number, because the mean of its divisors is an integer number (13263766362).

Almost surely, 2^256235672242 is an apocalyptic number.

256235672242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256235672242 is a deficient number, since it is larger than the sum of its proper divisors (168204851342).

256235672242 is a wasteful number, since it uses less digits than its factorization.

256235672242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31194.

The product of its digits is 2419200, while the sum is 46.

The spelling of 256235672242 in words is "two hundred fifty-six billion, two hundred thirty-five million, six hundred seventy-two thousand, two hundred forty-two".