256035556 has 48 divisors (see below), whose sum is σ = 522547200. Its totient is φ = 107509248.

The previous prime is 256035547. The next prime is 256035599. The reversal of 256035556 is 655530652.

256035556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316080 + ... + 316888.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^256035556 is an apocalyptic number.

It is an amenable number.

256035556 is an abundant number, since it is smaller than the sum of its proper divisors (266511644).

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

256035556 is a wasteful number, since it uses less digits than its factorization.

256035556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 256035556 is about 16001.1110864215. Note that the first 3 decimals coincide. The cubic root of 256035556 is about 634.9898161096.

The spelling of 256035556 in words is "two hundred fifty-six million, thirty-five thousand, five hundred fifty-six".