545403304020 has 96 divisors (see below), whose sum is σ = 1537029648000. Its totient is φ = 144498608640.

The previous prime is 545403303983. The next prime is 545403304057. The reversal of 545403304020 is 20403304545.

It is an interprime number because it is at equal distance from previous prime (545403303983) and next prime (545403304057).

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 34623106 + ... + 34638854.

It is an arithmetic number, because the mean of its divisors is an integer number (16010725500).

Almost surely, 2^545403304020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545403304020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768514824000).

545403304020 is an abundant number, since it is smaller than the sum of its proper divisors (991626343980).

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

545403304020 is a wasteful number, since it uses less digits than its factorization.

545403304020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19465 (or 19463 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 545403304020 its reverse (20403304545), we get a palindrome (565806608565).

The spelling of 545403304020 in words is "five hundred forty-five billion, four hundred three million, three hundred four thousand, twenty".