256412086 has 16 divisors (see below), whose sum is σ = 442367136. Its totient is φ = 109190016.

The previous prime is 256412083. The next prime is 256412089. The reversal of 256412086 is 680214652.

256412086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256412083) and next prime (256412089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256412083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56131 + ... + 60526.

It is an arithmetic number, because the mean of its divisors is an integer number (27647946).

Almost surely, 2^256412086 is an apocalyptic number.

256412086 is a deficient number, since it is larger than the sum of its proper divisors (185955050).

256412086 is a wasteful number, since it uses less digits than its factorization.

256412086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116823.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 256412086 is about 16012.8725093282. The cubic root of 256412086 is about 635.3009390520.

The spelling of 256412086 in words is "two hundred fifty-six million, four hundred twelve thousand, eighty-six".