545340440211 has 48 divisors (see below), whose sum is σ = 848695161600. Its totient is φ = 310570690752.

The previous prime is 545340440207. The next prime is 545340440221. The reversal of 545340440211 is 112044043545.

It is a happy number.

It is not a de Polignac number, because 545340440211 - 2² = 545340440207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545340440221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65754981 + ... + 65763273.

It is an arithmetic number, because the mean of its divisors is an integer number (17681149200).

Almost surely, 2^545340440211 is an apocalyptic number.

545340440211 is a deficient number, since it is larger than the sum of its proper divisors (303354721389).

545340440211 is a wasteful number, since it uses less digits than its factorization.

545340440211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768 (or 9761 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 545340440211 its reverse (112044043545), we get a palindrome (657384483756).

The spelling of 545340440211 in words is "five hundred forty-five billion, three hundred forty million, four hundred forty thousand, two hundred eleven".