256375368 has 180 divisors, whose sum is σ = 783987435. Its totient is φ = 78257664.

The previous prime is 256375367. The next prime is 256375373. The reversal of 256375368 is 863573652.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

256375368 is a `hidden beast` number, since 2 + 5 + 637 + 5 + 3 + 6 + 8 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 256064004 + 311364 = 16002^2 + 558^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11322.

Its product of digits (907200) is a multiple of the sum of its prime factors (126).

It is not an unprimeable number, because it can be changed into a prime (256375367) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 6929046 + ... + 6929082.

Almost surely, 2^256375368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256375368

256375368 is an abundant number, since it is smaller than the sum of its proper divisors (527612067).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256375368 is a wasteful number, since it uses less digits than its factorization.

256375368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 59 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 256375368 is about 16011.7259531882. The cubic root of 256375368 is about 635.2706127469.

The spelling of 256375368 in words is "two hundred fifty-six million, three hundred seventy-five thousand, three hundred sixty-eight".