256040327 has 8 divisors (see below), whose sum is σ = 259190400. Its totient is φ = 252900864.

The previous prime is 256040311. The next prime is 256040341. The reversal of 256040327 is 723040652.

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 256040327 - 2⁴ = 256040311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256040327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256040227) 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, 52874 + ... + 57512.

It is an arithmetic number, because the mean of its divisors is an integer number (32398800).

Almost surely, 2^256040327 is an apocalyptic number.

256040327 is a deficient number, since it is larger than the sum of its proper divisors (3150073).

256040327 is an equidigital number, since it uses as much as digits as its factorization.

256040327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 256040327 is about 16001.2601691242. The cubic root of 256040327 is about 634.9937602462.

Adding to 256040327 its reverse (723040652), we get a palindrome (979080979).

The spelling of 256040327 in words is "two hundred fifty-six million, forty thousand, three hundred twenty-seven".