2555440201 has 4 divisors (see below), whose sum is σ = 2567551504. Its totient is φ = 2543328900.

The previous prime is 2555440159. The next prime is 2555440211. The reversal of 2555440201 is 1020445552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2555440201 - 2⁷ = 2555440073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555440201.

It is not an unprimeable number, because it can be changed into a prime (2555440211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055335 + ... + 6055756.

It is an arithmetic number, because the mean of its divisors is an integer number (641887876).

Almost surely, 2^2555440201 is an apocalyptic number.

It is an amenable number.

2555440201 is a deficient number, since it is larger than the sum of its proper divisors (12111303).

2555440201 is a wasteful number, since it uses less digits than its factorization.

2555440201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111302.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2555440201 is about 50551.3620093465. The cubic root of 2555440201 is about 1367.1680718674.

Adding to 2555440201 its reverse (1020445552), we get a palindrome (3575885753).

The spelling of 2555440201 in words is "two billion, five hundred fifty-five million, four hundred forty thousand, two hundred one".