545019409080 has 320 divisors, whose sum is σ = 1980905984640. Its totient is φ = 133878140928.

The previous prime is 545019409069. The next prime is 545019409087. The reversal of 545019409080 is 80904910545.

545019409080 is a `hidden beast` number, since 5 + 450 + 194 + 0 + 9 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545019409087) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2483494 + ... + 2694026.

It is an arithmetic number, because the mean of its divisors is an integer number (6190331202).

Almost surely, 2^545019409080 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 545019409080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990452992320).

545019409080 is an abundant number, since it is smaller than the sum of its proper divisors (1435886575560).

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

545019409080 is a wasteful number, since it uses less digits than its factorization.

545019409080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210620 (or 210607 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 545019409080 in words is "five hundred forty-five billion, nineteen million, four hundred nine thousand, eighty".