256194248 has 12 divisors (see below), whose sum is σ = 480449115. Its totient is φ = 128074488.

The previous prime is 256194223. The next prime is 256194251. The reversal of 256194248 is 842491652.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

256194248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 128097124 + 128097124 = 11318^2 + 11318^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11318.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42443 + ... + 48101.

Almost surely, 2^256194248 is an apocalyptic number.

It is an amenable number.

256194248 is a deficient number, since it is larger than the sum of its proper divisors (224254867).

256194248 is an frugal number, since it uses more digits than its factorization.

256194248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324 (or 5661 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 256194248 is about 16006.0690989387. The cubic root of 256194248 is about 635.1209788719.

The spelling of 256194248 in words is "two hundred fifty-six million, one hundred ninety-four thousand, two hundred forty-eight".