256313670157214 has 8 divisors (see below), whose sum is σ = 384471951091320. Its totient is φ = 128156353126776.

The previous prime is 256313670157081. The next prime is 256313670157229. The reversal of 256313670157214 is 412751076313652.

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

It is a super-2 number, since 2×256313670157214² (a number of 30 digits) contains 22 as substring.

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, 240310769 + ... + 241375004.

It is an arithmetic number, because the mean of its divisors is an integer number (48058993886415).

Almost surely, 2^{256313670157214} is an apocalyptic number.

256313670157214 is a deficient number, since it is larger than the sum of its proper divisors (128158280934106).

256313670157214 is a wasteful number, since it uses less digits than its factorization.

256313670157214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481951834.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 256313670157214 in words is "two hundred fifty-six trillion, three hundred thirteen billion, six hundred seventy million, one hundred fifty-seven thousand, two hundred fourteen".