256955298 has 24 divisors (see below), whose sum is σ = 525104592. Its totient is φ = 83825064.

The previous prime is 256955291. The next prime is 256955329. The reversal of 256955298 is 892559652.

256955298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 256955298.

It is not an unprimeable number, because it can be changed into a prime (256955291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3561 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (21879358).

Almost surely, 2^256955298 is an apocalyptic number.

256955298 is an abundant number, since it is smaller than the sum of its proper divisors (268149294).

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

256955298 is a wasteful number, since it uses less digits than its factorization.

256955298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19486 (or 19439 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 51.

The square root of 256955298 is about 16029.8252641755. The cubic root of 256955298 is about 635.7492534351.

The spelling of 256955298 in words is "two hundred fifty-six million, nine hundred fifty-five thousand, two hundred ninety-eight".