5247218672640 has 3168 divisors, whose sum is σ = 23888496288384. Its totient is φ = 1096931082240.

The previous prime is 5247218672639. The next prime is 5247218672653. The reversal of 5247218672640 is 462768127425.

5247218672640 is a `hidden beast` number, since 52 + 472 + 1 + 8 + 67 + 2 + 64 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 63219502039 + ... + 63219502121.

Almost surely, 2^{5247218672640} 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 5247218672640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11944248144192).

5247218672640 is an abundant number, since it is smaller than the sum of its proper divisors (18641277615744).

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

5247218672640 is a wasteful number, since it uses less digits than its factorization.

5247218672640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 5247218672640 in words is "five trillion, two hundred forty-seven billion, two hundred eighteen million, six hundred seventy-two thousand, six hundred forty".