256086048 has 48 divisors (see below), whose sum is σ = 701459136. Its totient is φ = 81649920.

The previous prime is 256086031. The next prime is 256086049. The reversal of 256086048 is 840680652.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 256085997 and 256086015.

It is not an unprimeable number, because it can be changed into a prime (256086049) 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, 55783 + ... + 60198.

It is an arithmetic number, because the mean of its divisors is an integer number (14613732).

Almost surely, 2^256086048 is an apocalyptic number.

It is an amenable number.

256086048 is an abundant number, since it is smaller than the sum of its proper divisors (445373088).

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

256086048 is a wasteful number, since it uses less digits than its factorization.

256086048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116017 (or 116009 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 256086048 is about 16002.6887740779. The cubic root of 256086048 is about 635.0315548417.

The spelling of 256086048 in words is "two hundred fifty-six million, eighty-six thousand, forty-eight".