256464710 has 16 divisors (see below), whose sum is σ = 461916000. Its totient is φ = 102523776.

The previous prime is 256464707. The next prime is 256464749. The reversal of 256464710 is 17464652.

It is a super-3 number, since 3×256464710³ (a number of 26 digits) contains 333 as substring.

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, 11966 + ... + 25614.

It is an arithmetic number, because the mean of its divisors is an integer number (28869750).

Almost surely, 2^256464710 is an apocalyptic number.

256464710 is a deficient number, since it is larger than the sum of its proper divisors (205451290).

256464710 is a wasteful number, since it uses less digits than its factorization.

256464710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15535.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 256464710 is about 16014.5156030396. The cubic root of 256464710 is about 635.3443974686.

The spelling of 256464710 in words is "two hundred fifty-six million, four hundred sixty-four thousand, seven hundred ten".