201828256 has 36 divisors (see below), whose sum is σ = 462226338. Its totient is φ = 86497152.

The previous prime is 201828239. The next prime is 201828257. The reversal of 201828256 is 652828102.

It can be written as a sum of positive squares in only one way, i.e., 169520400 + 32307856 = 13020^2 + 5684^2 .

It is not an unprimeable number, because it can be changed into a prime (201828257) 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, 62791 + ... + 65926.

Almost surely, 2^201828256 is an apocalyptic number.

It is an amenable number.

201828256 is an abundant number, since it is smaller than the sum of its proper divisors (260398082).

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

201828256 is a wasteful number, since it uses less digits than its factorization.

201828256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128741 (or 128726 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 201828256 is about 14206.6271859298. The cubic root of 201828256 is about 586.5800962710.

The spelling of 201828256 in words is "two hundred one million, eight hundred twenty-eight thousand, two hundred fifty-six".