201441555 has 48 divisors (see below), whose sum is σ = 404711424. Its totient is φ = 90780480.

The previous prime is 201441497. The next prime is 201441563. The reversal of 201441555 is 555144102.

It is not a de Polignac number, because 201441555 - 2⁹ = 201441043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17862 + ... + 26868.

It is an arithmetic number, because the mean of its divisors is an integer number (8431488).

Almost surely, 2^201441555 is an apocalyptic number.

201441555 is an abundant number, since it is smaller than the sum of its proper divisors (203269869).

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

201441555 is a wasteful number, since it uses less digits than its factorization.

201441555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096 (or 9093 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 201441555 is about 14193.0107799579. The cubic root of 201441555 is about 586.2052294784.

Adding to 201441555 its reverse (555144102), we get a palindrome (756585657).

The spelling of 201441555 in words is "two hundred one million, four hundred forty-one thousand, five hundred fifty-five".