256500420241762 has 8 divisors (see below), whose sum is σ = 393698319440976. Its totient is φ = 125267647094772.

The previous prime is 256500420241711. The next prime is 256500420241789. The reversal of 256500420241762 is 267142024005652.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491281512948 + ... + 1491281513119.

It is an arithmetic number, because the mean of its divisors is an integer number (49212289930122).

Almost surely, 2^{256500420241762} is an apocalyptic number.

256500420241762 is a deficient number, since it is larger than the sum of its proper divisors (137197899199214).

256500420241762 is a wasteful number, since it uses less digits than its factorization.

256500420241762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982563026112.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 256500420241762 in words is "two hundred fifty-six trillion, five hundred billion, four hundred twenty million, two hundred forty-one thousand, seven hundred sixty-two".