256341260 has 24 divisors (see below), whose sum is σ = 615219360. Its totient is φ = 87888384.

The previous prime is 256341259. The next prime is 256341269. The reversal of 256341260 is 62143652.

It is not an unprimeable number, because it can be changed into a prime (256341269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915365 + ... + 915644.

It is an arithmetic number, because the mean of its divisors is an integer number (25634140).

Almost surely, 2^256341260 is an apocalyptic number.

256341260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256341260 is an abundant number, since it is smaller than the sum of its proper divisors (358878100).

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

256341260 is a wasteful number, since it uses less digits than its factorization.

256341260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831025 (or 1831023 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 256341260 is about 16010.6608233389. The cubic root of 256341260 is about 635.2424395112.

The spelling of 256341260 in words is "two hundred fifty-six million, three hundred forty-one thousand, two hundred sixty".