256174028 has 12 divisors (see below), whose sum is σ = 489059592. Its totient is φ = 116442720.

The previous prime is 256174021. The next prime is 256174043. The reversal of 256174028 is 820471652.

It is not an unprimeable number, because it can be changed into a prime (256174021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911025 + ... + 2911112.

It is an arithmetic number, because the mean of its divisors is an integer number (40754966).

Almost surely, 2^256174028 is an apocalyptic number.

It is an amenable number.

256174028 is a deficient number, since it is larger than the sum of its proper divisors (232885564).

256174028 is a wasteful number, since it uses less digits than its factorization.

256174028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822152 (or 5822150 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 256174028 is about 16005.4374510664. The cubic root of 256174028 is about 635.1042695662.

The spelling of 256174028 in words is "two hundred fifty-six million, one hundred seventy-four thousand, twenty-eight".