256230833615 has 8 divisors (see below), whose sum is σ = 312688475280. Its totient is φ = 201510350272.

The previous prime is 256230833611. The next prime is 256230833627. The reversal of 256230833615 is 516338032652.

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

It is a cyclic number.

It is not a de Polignac number, because 256230833615 - 2² = 256230833611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256230833611) 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, 434289254 + ... + 434289843.

It is an arithmetic number, because the mean of its divisors is an integer number (39086059410).

Almost surely, 2^256230833615 is an apocalyptic number.

256230833615 is a deficient number, since it is larger than the sum of its proper divisors (56457641665).

256230833615 is an equidigital number, since it uses as much as digits as its factorization.

256230833615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868579161.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 256230833615 in words is "two hundred fifty-six billion, two hundred thirty million, eight hundred thirty-three thousand, six hundred fifteen".