545411213220 has 48 divisors (see below), whose sum is σ = 1535588728128. Its totient is φ = 144639434880.

The previous prime is 545411213219. The next prime is 545411213227. The reversal of 545411213220 is 22312114545.

It is a super-2 number, since 2×545411213220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (545411213227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25100154 + ... + 25121873.

It is an arithmetic number, because the mean of its divisors is an integer number (31991431836).

Almost surely, 2^545411213220 is an apocalyptic number.

It is an amenable number.

545411213220 is an abundant number, since it is smaller than the sum of its proper divisors (990177514908).

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

545411213220 is a wasteful number, since it uses less digits than its factorization.

545411213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50222220 (or 50222218 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 545411213220 its reverse (22312114545), we get a palindrome (567723327765).

The spelling of 545411213220 in words is "five hundred forty-five billion, four hundred eleven million, two hundred thirteen thousand, two hundred twenty".