547400805120 has 864 divisors, whose sum is σ = 2177907443712. Its totient is φ = 125745758208.

The previous prime is 547400805113. The next prime is 547400805121. The reversal of 547400805120 is 21508004745.

547400805120 is a `hidden beast` number, since 54 + 7 + 400 + 80 + 5 + 120 = 666.

It is a super-3 number, since 3×547400805120³ (a number of 36 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (547400805121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 323330994 + ... + 323332686.

It is an arithmetic number, because the mean of its divisors is an integer number (2520726208).

Almost surely, 2^547400805120 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 547400805120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088953721856).

547400805120 is an abundant number, since it is smaller than the sum of its proper divisors (1630506638592).

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

547400805120 is a wasteful number, since it uses less digits than its factorization.

547400805120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

Adding to 547400805120 its reverse (21508004745), we get a palindrome (568908809865).

The spelling of 547400805120 in words is "five hundred forty-seven billion, four hundred million, eight hundred five thousand, one hundred twenty".