545080320 has 176 divisors, whose sum is σ = 1937608320. Its totient is φ = 145317888.

The previous prime is 545080219. The next prime is 545080321. The reversal of 545080320 is 23080545.

It is a super-2 number, since 2×545080320² = 594225110502604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (545080321) 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, 136269 + ... + 140211.

Almost surely, 2^545080320 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 545080320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968804160).

545080320 is an abundant number, since it is smaller than the sum of its proper divisors (1392528000).

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

545080320 is a wasteful number, since it uses less digits than its factorization.

545080320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 545080320 is about 23346.9552618752. The cubic root of 545080320 is about 816.8710421903.

The spelling of 545080320 in words is "five hundred forty-five million, eighty thousand, three hundred twenty".