256035078 has 48 divisors (see below), whose sum is σ = 612009216. Its totient is φ = 76855680.

The previous prime is 256035077. The next prime is 256035083. The reversal of 256035078 is 870530652.

It is a super-2 number, since 2×256035078² = 131107922332932168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256035071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3750 + ... + 22937.

It is an arithmetic number, because the mean of its divisors is an integer number (12750192).

Almost surely, 2^256035078 is an apocalyptic number.

256035078 is an abundant number, since it is smaller than the sum of its proper divisors (355974138).

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

256035078 is a wasteful number, since it uses less digits than its factorization.

256035078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26749 (or 26746 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 256035078 is about 16001.0961499517. The cubic root of 256035078 is about 634.9894209493.

The spelling of 256035078 in words is "two hundred fifty-six million, thirty-five thousand, seventy-eight".