543040812 has 36 divisors (see below), whose sum is σ = 1375461360. Its totient is φ = 180647712.

The previous prime is 543040811. The next prime is 543040831. The reversal of 543040812 is 218040345.

543040812 is a `hidden beast` number, since 543 + 0 + 40 + 81 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (543040811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3114 + ... + 33102.

It is an arithmetic number, because the mean of its divisors is an integer number (38207260).

Almost surely, 2^543040812 is an apocalyptic number.

It is an amenable number.

543040812 is an abundant number, since it is smaller than the sum of its proper divisors (832420548).

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

543040812 is a wasteful number, since it uses less digits than its factorization.

543040812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30502 (or 30497 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 543040812 is about 23303.2360842867. The cubic root of 543040812 is about 815.8509495639.

The spelling of 543040812 in words is "five hundred forty-three million, forty thousand, eight hundred twelve".