545428380 has 96 divisors (see below), whose sum is σ = 1748436480. Its totient is φ = 124450560.

The previous prime is 545428349. The next prime is 545428393. The reversal of 545428380 is 83824545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465195 + ... + 466365.

It is an arithmetic number, because the mean of its divisors is an integer number (18212880).

Almost surely, 2^545428380 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 545428380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874218240).

545428380 is an abundant number, since it is smaller than the sum of its proper divisors (1203008100).

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

545428380 is a wasteful number, since it uses less digits than its factorization.

545428380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 545428380 is about 23354.4081492124. The cubic root of 545428380 is about 817.0448756779.

The spelling of 545428380 in words is "five hundred forty-five million, four hundred twenty-eight thousand, three hundred eighty".