256680754 has 8 divisors (see below), whose sum is σ = 420023088. Its totient is φ = 116673060.

The previous prime is 256680751. The next prime is 256680763. The reversal of 256680754 is 457086652.

256680754 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 self number, because there is not a number n which added to its sum of digits gives 256680754.

It is not an unprimeable number, because it can be changed into a prime (256680751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5833632 + ... + 5833675.

It is an arithmetic number, because the mean of its divisors is an integer number (52502886).

Almost surely, 2^256680754 is an apocalyptic number.

256680754 is a deficient number, since it is larger than the sum of its proper divisors (163342334).

256680754 is a wasteful number, since it uses less digits than its factorization.

256680754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11667320.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 256680754 is about 16021.2594386334. The cubic root of 256680754 is about 635.5227505581.

The spelling of 256680754 in words is "two hundred fifty-six million, six hundred eighty thousand, seven hundred fifty-four".