5247455166720 has 2880 divisors, whose sum is σ = 22736396390400. Its totient is φ = 1143034675200.

The previous prime is 5247455166689. The next prime is 5247455166721. The reversal of 5247455166720 is 276615547425.

5247455166720 is a `hidden beast` number, since 5 + 2 + 4 + 7 + 4 + 551 + 6 + 67 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

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

It is not an unprimeable number, because it can be changed into a prime (5247455166721) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 34751358645 + ... + 34751358795.

It is an arithmetic number, because the mean of its divisors is an integer number (7894582080).

Almost surely, 2^{5247455166720} 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 5247455166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11368198195200).

5247455166720 is an abundant number, since it is smaller than the sum of its proper divisors (17488941223680).

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

5247455166720 is a wasteful number, since it uses less digits than its factorization.

5247455166720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 5247455166720 in words is "five trillion, two hundred forty-seven billion, four hundred fifty-five million, one hundred sixty-six thousand, seven hundred twenty".