256765060 has 12 divisors (see below), whose sum is σ = 539206668. Its totient is φ = 102706016.

The previous prime is 256765049. The next prime is 256765063. The reversal of 256765060 is 60567652.

It can be written as a sum of positive squares in 2 ways, for example, as 59474944 + 197290116 = 7712^2 + 14046^2 .

It is not an unprimeable number, because it can be changed into a prime (256765063) 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, 6419107 + ... + 6419146.

It is an arithmetic number, because the mean of its divisors is an integer number (44933889).

Almost surely, 2^256765060 is an apocalyptic number.

256765060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256765060 is an abundant number, since it is smaller than the sum of its proper divisors (282441608).

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

256765060 is a wasteful number, since it uses less digits than its factorization.

256765060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838262 (or 12838260 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 256765060 is about 16023.8902891901. The cubic root of 256765060 is about 635.5923214360.

The spelling of 256765060 in words is "two hundred fifty-six million, seven hundred sixty-five thousand, sixty".