201455268 has 72 divisors (see below), whose sum is σ = 548819712. Its totient is φ = 57347136.

The previous prime is 201455249. The next prime is 201455297. The reversal of 201455268 is 862554102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233005 + ... + 233867.

It is an arithmetic number, because the mean of its divisors is an integer number (7622496).

Almost surely, 2^201455268 is an apocalyptic number.

201455268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201455268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274409856).

201455268 is an abundant number, since it is smaller than the sum of its proper divisors (347364444).

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

201455268 is a wasteful number, since it uses less digits than its factorization.

201455268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 201455268 is about 14193.4938616255. The cubic root of 201455268 is about 586.2185310204.

The spelling of 201455268 in words is "two hundred one million, four hundred fifty-five thousand, two hundred sixty-eight".