543964140 has 96 divisors (see below), whose sum is σ = 1697794560. Its totient is φ = 144589248.

The previous prime is 543964133. The next prime is 543964151. The reversal of 543964140 is 41469345.

543964140 is a `hidden beast` number, since 5 + 4 + 3 + 9 + 641 + 4 + 0 = 666.

543964140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 543964095 and 543964104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185929 + ... + 188831.

It is an arithmetic number, because the mean of its divisors is an integer number (17685360).

Almost surely, 2^543964140 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 543964140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848897280).

543964140 is an abundant number, since it is smaller than the sum of its proper divisors (1153830420).

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

543964140 is a wasteful number, since it uses less digits than its factorization.

543964140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 543964140 is about 23323.0388243042. The cubic root of 543964140 is about 816.3130827158.

The spelling of 543964140 in words is "five hundred forty-three million, nine hundred sixty-four thousand, one hundred forty".