256071026 has 8 divisors (see below), whose sum is σ = 386118144. Its totient is φ = 127364980.

The previous prime is 256071007. The next prime is 256071047. The reversal of 256071026 is 620170652.

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 256071026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334790 + ... + 335553.

It is an arithmetic number, because the mean of its divisors is an integer number (48264768).

Almost surely, 2^256071026 is an apocalyptic number.

256071026 is a deficient number, since it is larger than the sum of its proper divisors (130047118).

256071026 is a wasteful number, since it uses less digits than its factorization.

256071026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670536.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 256071026 is about 16002.2194085696. The cubic root of 256071026 is about 635.0191376215.

The spelling of 256071026 in words is "two hundred fifty-six million, seventy-one thousand, twenty-six".