256340760 has 64 divisors (see below), whose sum is σ = 828182880. Its totient is φ = 63098880.

The previous prime is 256340731. The next prime is 256340801. The reversal of 256340760 is 67043652.

256340760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 80601 + ... + 83720.

Almost surely, 2^256340760 is an apocalyptic number.

256340760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256340760 is an abundant number, since it is smaller than the sum of its proper divisors (571842120).

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

256340760 is a wasteful number, since it uses less digits than its factorization.

256340760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164348 (or 164344 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 256340760 is about 16010.6452087353. The cubic root of 256340760 is about 635.2420264922.

The spelling of 256340760 in words is "two hundred fifty-six million, three hundred forty thousand, seven hundred sixty".