256085770 has 16 divisors (see below), whose sum is σ = 461490048. Its totient is φ = 102315280.

The previous prime is 256085729. The next prime is 256085789. The reversal of 256085770 is 77580652.

256085770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5566 + ... + 23305.

It is an arithmetic number, because the mean of its divisors is an integer number (28843128).

Almost surely, 2^256085770 is an apocalyptic number.

256085770 is a deficient number, since it is larger than the sum of its proper divisors (205404278).

256085770 is a wasteful number, since it uses less digits than its factorization.

256085770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29765.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 256085770 is about 16002.6800880353. The cubic root of 256085770 is about 635.0313250507.

The spelling of 256085770 in words is "two hundred fifty-six million, eighty-five thousand, seven hundred seventy".