545204112340 has 12 divisors (see below), whose sum is σ = 1144928635956. Its totient is φ = 218081644928.

The previous prime is 545204112331. The next prime is 545204112347. The reversal of 545204112340 is 43211402545.

It can be written as a sum of positive squares in 2 ways, for example, as 285842068164 + 259362044176 = 534642^2 + 509276^2 .

It is a super-2 number, since 2×545204112340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545204112347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13630102789 + ... + 13630102828.

It is an arithmetic number, because the mean of its divisors is an integer number (95410719663).

Almost surely, 2^545204112340 is an apocalyptic number.

It is an amenable number.

545204112340 is an abundant number, since it is smaller than the sum of its proper divisors (599724523616).

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

545204112340 is a wasteful number, since it uses less digits than its factorization.

545204112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27260205626 (or 27260205624 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 545204112340 its reverse (43211402545), we get a palindrome (588415514885).

The spelling of 545204112340 in words is "five hundred forty-five billion, two hundred four million, one hundred twelve thousand, three hundred forty".