201560256 has 42 divisors (see below), whose sum is σ = 577737732. Its totient is φ = 67186560.

The previous prime is 201560251. The next prime is 201560257. The reversal of 201560256 is 652065102.

201560256 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 602 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (201560251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174390 + ... + 175541.

Almost surely, 2^201560256 is an apocalyptic number.

It is an amenable number.

201560256 is an abundant number, since it is smaller than the sum of its proper divisors (376177476).

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

201560256 is a wasteful number, since it uses less digits than its factorization.

201560256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349949 (or 349936 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 201560256 is about 14197.1918350074. The cubic root of 201560256 is about 586.3203488637.

The spelling of 201560256 in words is "two hundred one million, five hundred sixty thousand, two hundred fifty-six".