256068760 has 16 divisors (see below), whose sum is σ = 576154800. Its totient is φ = 102427488.

The previous prime is 256068721. The next prime is 256068767. The reversal of 256068760 is 67860652.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6401719 = 256068760 / (2 + 5 + 6 + 0 + 6 + 8 + 7 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256068767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200820 + ... + 3200899.

It is an arithmetic number, because the mean of its divisors is an integer number (36009675).

Almost surely, 2^256068760 is an apocalyptic number.

256068760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256068760 is an abundant number, since it is smaller than the sum of its proper divisors (320086040).

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

256068760 is a wasteful number, since it uses less digits than its factorization.

256068760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401730 (or 6401726 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 256068760 is about 16002.1486057342. The cubic root of 256068760 is about 635.0172644985.

The spelling of 256068760 in words is "two hundred fifty-six million, sixty-eight thousand, seven hundred sixty".