543660040512 has 70 divisors (see below), whose sum is σ = 1611578688698. Its totient is φ = 181220011776.

The previous prime is 543660040471. The next prime is 543660040537. The reversal of 543660040512 is 215040066345.

543660040512 is a `hidden beast` number, since 5 + 4 + 3 + 6 + 600 + 40 + 5 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 542838874176 + 821166336 = 736776^2 + 28656^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52431163 + ... + 52441530.

Almost surely, 2^543660040512 is an apocalyptic number.

It is an amenable number.

543660040512 is an abundant number, since it is smaller than the sum of its proper divisors (1067918648186).

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

543660040512 is a wasteful number, since it uses less digits than its factorization.

543660040512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104872717 (or 104872698 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 543660040512 in words is "five hundred forty-three billion, six hundred sixty million, forty thousand, five hundred twelve".