256030244253 has 40 divisors (see below), whose sum is σ = 439391462400. Its totient is φ = 145536950880.

The previous prime is 256030244191. The next prime is 256030244257. The reversal of 256030244253 is 352442030652.

256030244253 is a `hidden beast` number, since 2 + 5 + 60 + 302 + 44 + 253 = 666.

It is not a de Polignac number, because 256030244253 - 2²⁰ = 256029195677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256030244257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1073778 + ... + 1290371.

It is an arithmetic number, because the mean of its divisors is an integer number (10984786560).

Almost surely, 2^256030244253 is an apocalyptic number.

It is an amenable number.

256030244253 is a deficient number, since it is larger than the sum of its proper divisors (183361218147).

256030244253 is a wasteful number, since it uses less digits than its factorization.

256030244253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364359 (or 2364350 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 256030244253 in words is "two hundred fifty-six billion, thirty million, two hundred forty-four thousand, two hundred fifty-three".