256452711488 has 28 divisors (see below), whose sum is σ = 509104445340. Its totient is φ = 128174426112.

The previous prime is 256452711479. The next prime is 256452711497. The reversal of 256452711488 is 884117254652.

256452711488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256452711479) and next prime (256452711497).

It can be written as a sum of positive squares in 2 ways, for example, as 77110625344 + 179342086144 = 277688^2 + 423488^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 651893 + ... + 968436.

Almost surely, 2^256452711488 is an apocalyptic number.

It is an amenable number.

256452711488 is a deficient number, since it is larger than the sum of its proper divisors (252651733852).

256452711488 is a wasteful number, since it uses less digits than its factorization.

256452711488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622814 (or 1622804 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 53.

The spelling of 256452711488 in words is "two hundred fifty-six billion, four hundred fifty-two million, seven hundred eleven thousand, four hundred eighty-eight".