256260546 has 12 divisors (see below), whose sum is σ = 555231222. Its totient is φ = 85420176.

The previous prime is 256260523. The next prime is 256260547. The reversal of 256260546 is 645062652.

256260546 is a `hidden beast` number, since 2 + 5 + 6 + 2 + 605 + 46 = 666.

256260546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 187553025 + 68707521 = 13695^2 + 8289^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 256260546.

It is not an unprimeable number, because it can be changed into a prime (256260547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7118331 + ... + 7118366.

Almost surely, 2^256260546 is an apocalyptic number.

256260546 is an abundant number, since it is smaller than the sum of its proper divisors (298970676).

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

256260546 is a wasteful number, since it uses less digits than its factorization.

256260546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236705 (or 14236702 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 256260546 is about 16008.1399918916. The cubic root of 256260546 is about 635.1757597258.

The spelling of 256260546 in words is "two hundred fifty-six million, two hundred sixty thousand, five hundred forty-six".