547843991040 has 480 divisors, whose sum is σ = 2021506302816. Its totient is φ = 136638627840.

The previous prime is 547843991039. The next prime is 547843991047. The reversal of 547843991040 is 40199348745.

547843991040 is a `hidden beast` number, since 5 + 478 + 43 + 9 + 91 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547843991047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63839550 + ... + 63848130.

Almost surely, 2^547843991040 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 547843991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010753151408).

547843991040 is an abundant number, since it is smaller than the sum of its proper divisors (1473662311776).

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

547843991040 is a wasteful number, since it uses less digits than its factorization.

547843991040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 547843991040 in words is "five hundred forty-seven billion, eight hundred forty-three million, nine hundred ninety-one thousand, forty".