256184487152 has 20 divisors (see below), whose sum is σ = 541480848216. Its totient is φ = 116447494080.

The previous prime is 256184487107. The next prime is 256184487161. The reversal of 256184487152 is 251784481652.

256184487152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256184487152² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256184487094 and 256184487103.

It is a congruent number.

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, 727796663 + ... + 727797014.

Almost surely, 2^256184487152 is an apocalyptic number.

256184487152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256184487152 is an abundant number, since it is smaller than the sum of its proper divisors (285296361064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256184487152 is a wasteful number, since it uses less digits than its factorization.

256184487152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455593696 (or 1455593690 counting only the distinct ones).

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

The spelling of 256184487152 in words is "two hundred fifty-six billion, one hundred eighty-four million, four hundred eighty-seven thousand, one hundred fifty-two".