256741610 has 8 divisors (see below), whose sum is σ = 462134916. Its totient is φ = 102696640.

The previous prime is 256741603. The next prime is 256741613. The reversal of 256741610 is 16147652.

It can be written as a sum of positive squares in 2 ways, for example, as 256672441 + 69169 = 16021^2 + 263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (256741613) 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, 12837071 + ... + 12837090.

Almost surely, 2^256741610 is an apocalyptic number.

256741610 is a deficient number, since it is larger than the sum of its proper divisors (205393306).

256741610 is a wasteful number, since it uses less digits than its factorization.

256741610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25674168.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 256741610 is about 16023.1585525451. The cubic root of 256741610 is about 635.5729715892.

The spelling of 256741610 in words is "two hundred fifty-six million, seven hundred forty-one thousand, six hundred ten".