545450532540 has 48 divisors (see below), whose sum is σ = 1527439122720. Its totient is φ = 145436558080.

The previous prime is 545450532467. The next prime is 545450532547. The reversal of 545450532540 is 45235054545.

It is a junction number, because it is equal to n+sod(n) for n = 545450532492 and 545450532501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545450532547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4191 + ... + 1044470.

It is an arithmetic number, because the mean of its divisors is an integer number (31821648390).

Almost surely, 2^545450532540 is an apocalyptic number.

It is an amenable number.

545450532540 is an abundant number, since it is smaller than the sum of its proper divisors (981988590180).

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

545450532540 is a wasteful number, since it uses less digits than its factorization.

545450532540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057342 (or 1057340 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 545450532540 in words is "five hundred forty-five billion, four hundred fifty million, five hundred thirty-two thousand, five hundred forty".