340255256 has 64 divisors (see below), whose sum is σ = 738063360. Its totient is φ = 145584000.

The previous prime is 340255241. The next prime is 340255271. The reversal of 340255256 is 652552043.

340255256 = 4604² + 4605² + ... + 4619².

It is an interprime number because it is at equal distance from previous prime (340255241) and next prime (340255271).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 99251 + ... + 102621.

It is an arithmetic number, because the mean of its divisors is an integer number (11532240).

Almost surely, 2^340255256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340255256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369031680).

340255256 is an abundant number, since it is smaller than the sum of its proper divisors (397808104).

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

340255256 is a wasteful number, since it uses less digits than its factorization.

340255256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 340255256 is about 18446.0092160879. The cubic root of 340255256 is about 698.1278244731.

The spelling of 340255256 in words is "three hundred forty million, two hundred fifty-five thousand, two hundred fifty-six".