545203260040 has 32 divisors (see below), whose sum is σ = 1226798777880. Its totient is φ = 218065047552.

The previous prime is 545203260029. The next prime is 545203260071. The reversal of 545203260040 is 40062302545.

It can be written as a sum of positive squares in 4 ways, for example, as 446435112964 + 98768147076 = 668158^2 + 314274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545203259984 and 545203260011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42664 + ... + 1045096.

Almost surely, 2^545203260040 is an apocalyptic number.

It is an amenable number.

545203260040 is an abundant number, since it is smaller than the sum of its proper divisors (681595517840).

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

545203260040 is a wasteful number, since it uses less digits than its factorization.

545203260040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016041 (or 1016037 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 545203260040 its reverse (40062302545), we get a palindrome (585265562585).

The spelling of 545203260040 in words is "five hundred forty-five billion, two hundred three million, two hundred sixty thousand, forty".