256241018 has 8 divisors (see below), whose sum is σ = 419303520. Its totient is φ = 116473180.

The previous prime is 256240993. The next prime is 256241077. The reversal of 256241018 is 810142652.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5823638 + ... + 5823681.

It is an arithmetic number, because the mean of its divisors is an integer number (52412940).

Almost surely, 2^256241018 is an apocalyptic number.

256241018 is a deficient number, since it is larger than the sum of its proper divisors (163062502).

256241018 is a wasteful number, since it uses less digits than its factorization.

256241018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647332.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 256241018 is about 16007.5300405778. The cubic root of 256241018 is about 635.1596250697.

The spelling of 256241018 in words is "two hundred fifty-six million, two hundred forty-one thousand, eighteen".