546803280 has 120 divisors (see below), whose sum is σ = 1933045920. Its totient is φ = 138136320.

The previous prime is 546803267. The next prime is 546803287. The reversal of 546803280 is 82308645.

546803280 is a `hidden beast` number, since 546 + 8 + 0 + 32 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546803287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6306 + ... + 33665.

It is an arithmetic number, because the mean of its divisors is an integer number (16108716).

Almost surely, 2^546803280 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 546803280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966522960).

546803280 is an abundant number, since it is smaller than the sum of its proper divisors (1386242640).

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

546803280 is a wasteful number, since it uses less digits than its factorization.

546803280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40009 (or 40000 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 546803280 is about 23383.8251789565. The cubic root of 546803280 is about 817.7308272794.

The spelling of 546803280 in words is "five hundred forty-six million, eight hundred three thousand, two hundred eighty".