256966010 has 32 divisors (see below), whose sum is σ = 529828992. Its totient is φ = 87900480.

The previous prime is 256966007. The next prime is 256966027. The reversal of 256966010 is 10669652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28289 + ... + 36251.

It is an arithmetic number, because the mean of its divisors is an integer number (16557156).

Almost surely, 2^256966010 is an apocalyptic number.

256966010 is an abundant number, since it is smaller than the sum of its proper divisors (272862982).

256966010 is a wasteful number, since it uses less digits than its factorization.

256966010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 256966010 is about 16030.1593878539. The cubic root of 256966010 is about 635.7580877232.

The spelling of 256966010 in words is "two hundred fifty-six million, nine hundred sixty-six thousand, ten".