543628780 has 48 divisors (see below), whose sum is σ = 1191960000. Its totient is φ = 208002816.

The previous prime is 543628769. The next prime is 543628781. The reversal of 543628780 is 87826345.

543628780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (543628781) 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, 58921 + ... + 67519.

It is an arithmetic number, because the mean of its divisors is an integer number (24832500).

Almost surely, 2^543628780 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 543628780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595980000).

543628780 is an abundant number, since it is smaller than the sum of its proper divisors (648331220).

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

543628780 is a wasteful number, since it uses less digits than its factorization.

543628780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 543628780 is about 23315.8482582127. The cubic root of 543628780 is about 816.1452928359.

The spelling of 543628780 in words is "five hundred forty-three million, six hundred twenty-eight thousand, seven hundred eighty".