256080198 has 16 divisors (see below), whose sum is σ = 558720576. Its totient is φ = 77600040.

The previous prime is 256080169. The next prime is 256080203. The reversal of 256080198 is 891080652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939936 + ... + 1940067.

It is an arithmetic number, because the mean of its divisors is an integer number (34920036).

Almost surely, 2^256080198 is an apocalyptic number.

256080198 is an abundant number, since it is smaller than the sum of its proper divisors (302640378).

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

256080198 is a wasteful number, since it uses less digits than its factorization.

256080198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880019.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 256080198 is about 16002.5059912502. The cubic root of 256080198 is about 635.0267192758.

The spelling of 256080198 in words is "two hundred fifty-six million, eighty thousand, one hundred ninety-eight".