256330543124 has 6 divisors (see below), whose sum is σ = 448578450474. Its totient is φ = 128165271560.

The previous prime is 256330543099. The next prime is 256330543141. The reversal of 256330543124 is 421345033652.

256330543124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 245353790224 + 10976752900 = 495332^2 + 104770^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32041317887 + ... + 32041317894.

It is an arithmetic number, because the mean of its divisors is an integer number (74763075079).

Almost surely, 2^256330543124 is an apocalyptic number.

It is an amenable number.

256330543124 is a deficient number, since it is larger than the sum of its proper divisors (192247907350).

256330543124 is a wasteful number, since it uses less digits than its factorization.

256330543124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64082635785 (or 64082635783 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 256330543124 its reverse (421345033652), we get a palindrome (677675576776).

The spelling of 256330543124 in words is "two hundred fifty-six billion, three hundred thirty million, five hundred forty-three thousand, one hundred twenty-four".