340815256 has 16 divisors (see below), whose sum is σ = 641214000. Its totient is φ = 169824864.

The previous prime is 340815253. The next prime is 340815263. The reversal of 340815256 is 652518043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340815253) 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, 70356 + ... + 75043.

It is an arithmetic number, because the mean of its divisors is an integer number (40075875).

Almost surely, 2^340815256 is an apocalyptic number.

It is an amenable number.

340815256 is a deficient number, since it is larger than the sum of its proper divisors (300398744).

340815256 is a wasteful number, since it uses less digits than its factorization.

340815256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145698 (or 145694 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 340815256 is about 18461.1824106691. The cubic root of 340815256 is about 698.5106128765.

The spelling of 340815256 in words is "three hundred forty million, eight hundred fifteen thousand, two hundred fifty-six".