543450380 has 24 divisors (see below), whose sum is σ = 1244995920. Its totient is φ = 197618240.

The previous prime is 543450379. The next prime is 543450409. The reversal of 543450380 is 83054345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234895 + ... + 1235334.

It is an arithmetic number, because the mean of its divisors is an integer number (51874830).

Almost surely, 2^543450380 is an apocalyptic number.

It is an amenable number.

543450380 is an abundant number, since it is smaller than the sum of its proper divisors (701545540).

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

543450380 is a wasteful number, since it uses less digits than its factorization.

543450380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470249 (or 2470247 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 543450380 is about 23312.0222203051. The cubic root of 543450380 is about 816.0560062642.

The spelling of 543450380 in words is "five hundred forty-three million, four hundred fifty thousand, three hundred eighty".