256026706 has 16 divisors (see below), whose sum is σ = 426924288. Its totient is φ = 114354000.

The previous prime is 256026689. The next prime is 256026713. The reversal of 256026706 is 607620652.

It is a happy number.

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, 158020 + ... + 159631.

It is an arithmetic number, because the mean of its divisors is an integer number (26682768).

Almost surely, 2^256026706 is an apocalyptic number.

256026706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

256026706 is a deficient number, since it is larger than the sum of its proper divisors (170897582).

256026706 is a wasteful number, since it uses less digits than its factorization.

256026706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317697.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 256026706 is about 16000.8345407357. The cubic root of 256026706 is about 634.9824997760.

The spelling of 256026706 in words is "two hundred fifty-six million, twenty-six thousand, seven hundred six".