256506336267014 has 8 divisors (see below), whose sum is σ = 385450275505248. Its totient is φ = 128022911098600.

The previous prime is 256506336266987. The next prime is 256506336267043. The reversal of 256506336267014 is 410762633605652.

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

It is a super-3 number, since 3×256506336267014³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 115128516062 + ... + 115128518289.

It is an arithmetic number, because the mean of its divisors is an integer number (48181284438156).

Almost surely, 2^{256506336267014} is an apocalyptic number.

256506336267014 is a deficient number, since it is larger than the sum of its proper divisors (128943939238234).

256506336267014 is a wasteful number, since it uses less digits than its factorization.

256506336267014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230257034910.

The product of its (nonzero) digits is 32659200, while the sum is 56.

The spelling of 256506336267014 in words is "two hundred fifty-six trillion, five hundred six billion, three hundred thirty-six million, two hundred sixty-seven thousand, fourteen".