5254686720 has 576 divisors, whose sum is σ = 19808530560. Its totient is φ = 1284636672.

The previous prime is 5254686719. The next prime is 5254686727. The reversal of 5254686720 is 276864525.

5254686720 is a `hidden beast` number, since 5 + 2 + 546 + 86 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×5254686720² = 55223465050688716800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5254686727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78428127 + ... + 78428193.

It is an arithmetic number, because the mean of its divisors is an integer number (34389810).

Almost surely, 2^5254686720 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 5254686720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9904265280).

5254686720 is an abundant number, since it is smaller than the sum of its proper divisors (14553843840).

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

5254686720 is a wasteful number, since it uses less digits than its factorization.

5254686720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5254686720 is about 72489.2179568796. The cubic root of 5254686720 is about 1738.5303484193.

The spelling of 5254686720 in words is "five billion, two hundred fifty-four million, six hundred eighty-six thousand, seven hundred twenty".