256066710 has 32 divisors (see below), whose sum is σ = 615127392. Its totient is φ = 68221440.

The previous prime is 256066709. The next prime is 256066717. The reversal of 256066710 is 17660652.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256066717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35620 + ... + 42200.

It is an arithmetic number, because the mean of its divisors is an integer number (19222731).

Almost surely, 2^256066710 is an apocalyptic number.

256066710 is an abundant number, since it is smaller than the sum of its proper divisors (359060682).

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

256066710 is a wasteful number, since it uses less digits than its factorization.

256066710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 256066710 is about 16002.0845517076. The cubic root of 256066710 is about 635.0155699160.

The spelling of 256066710 in words is "two hundred fifty-six million, sixty-six thousand, seven hundred ten".