547434961920 has 2640 divisors, whose sum is σ = 2602259066880. Its totient is φ = 108689817600.

The previous prime is 547434961859. The next prime is 547434961921. The reversal of 547434961920 is 29169434745.

547434961920 is a `hidden beast` number, since 54 + 74 + 3 + 496 + 19 + 20 = 666.

547434961920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (2640).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547434961921) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6929556441 + ... + 6929556519.

It is an arithmetic number, because the mean of its divisors is an integer number (985704192).

Almost surely, 2^547434961920 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 547434961920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301129533440).

547434961920 is an abundant number, since it is smaller than the sum of its proper divisors (2054824104960).

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

547434961920 is a wasteful number, since it uses less digits than its factorization.

547434961920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 547434961920 in words is "five hundred forty-seven billion, four hundred thirty-four million, nine hundred sixty-one thousand, nine hundred twenty".