256762060720351 has 8 divisors (see below), whose sum is σ = 259164703211904. Its totient is φ = 254359473730200.

The previous prime is 256762060720349. The next prime is 256762060720369. The reversal of 256762060720351 is 153027060267652.

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 256762060720351 - 2¹ = 256762060720349 is a prime.

It is a super-2 number, since 2×256762060720351² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256762060720951) 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, 4550425 + ... + 23113426.

It is an arithmetic number, because the mean of its divisors is an integer number (32395587901488).

Almost surely, 2^{256762060720351} is an apocalyptic number.

256762060720351 is a deficient number, since it is larger than the sum of its proper divisors (2402642491553).

256762060720351 is a wasteful number, since it uses less digits than its factorization.

256762060720351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750701.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 256762060720351 in words is "two hundred fifty-six trillion, seven hundred sixty-two billion, sixty million, seven hundred twenty thousand, three hundred fifty-one".