256008618254 has 8 divisors (see below), whose sum is σ = 386590195800. Its totient is φ = 127145219656.

The previous prime is 256008618233. The next prime is 256008618269. The reversal of 256008618254 is 452816800652.

256008618254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 256008618199 and 256008618208.

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, 429544364 + ... + 429544959.

It is an arithmetic number, because the mean of its divisors is an integer number (48323774475).

Almost surely, 2^256008618254 is an apocalyptic number.

256008618254 is a deficient number, since it is larger than the sum of its proper divisors (130581577546).

256008618254 is a wasteful number, since it uses less digits than its factorization.

256008618254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859089474.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 256008618254 in words is "two hundred fifty-six billion, eight million, six hundred eighteen thousand, two hundred fifty-four".