256196960 has 24 divisors (see below), whose sum is σ = 605265696. Its totient is φ = 102478720.

The previous prime is 256196959. The next prime is 256196971. The reversal of 256196960 is 69691652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800456 + ... + 800775.

It is an arithmetic number, because the mean of its divisors is an integer number (25219404).

Almost surely, 2^256196960 is an apocalyptic number.

256196960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256196960 is an abundant number, since it is smaller than the sum of its proper divisors (349068736).

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

256196960 is a wasteful number, since it uses less digits than its factorization.

256196960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601246 (or 1601238 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 256196960 is about 16006.1538165794. The cubic root of 256196960 is about 635.1232199345.

The spelling of 256196960 in words is "two hundred fifty-six million, one hundred ninety-six thousand, nine hundred sixty".