256763073347750 has 32 divisors (see below), whose sum is σ = 480662201912256. Its totient is φ = 102704859979200.

The previous prime is 256763073347719. The next prime is 256763073347779. The reversal of 256763073347750 is 57743370367652.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 74030402 + ... + 77421098.

It is an arithmetic number, because the mean of its divisors is an integer number (15020693809758).

Almost surely, 2^{256763073347750} is an apocalyptic number.

256763073347750 is a deficient number, since it is larger than the sum of its proper divisors (223899128564506).

256763073347750 is a wasteful number, since it uses less digits than its factorization.

256763073347750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693617 (or 3693607 counting only the distinct ones).

The product of its (nonzero) digits is 466754400, while the sum is 65.

The spelling of 256763073347750 in words is "two hundred fifty-six trillion, seven hundred sixty-three billion, seventy-three million, three hundred forty-seven thousand, seven hundred fifty".