7318020473856 has 693 divisors, whose sum is σ = 22890271979109. Its totient is φ = 2337278976000.

The previous prime is 7318020473851. The next prime is 7318020473893. The reversal of 7318020473856 is 6583740208137.

It is a happy number.

The square root of 7318020473856 is 2705184.

It is a perfect power (a square), and thus also a powerful number.

7318020473856 is a `hidden beast` number, since 7 + 318 + 0 + 204 + 73 + 8 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7031067411456 + 286953062400 = 2651616^2 + 535680^2 .

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 (7318020473851) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 72455648206 + ... + 72455648306.

Almost surely, 2^{7318020473856} is an apocalyptic number.

7318020473856 is the 2705184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7318020473856

7318020473856 is an abundant number, since it is smaller than the sum of its proper divisors (15572251505253).

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

7318020473856 is an frugal number, since it uses more digits than its factorization.

7318020473856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 7318020473856 in words is "seven trillion, three hundred eighteen billion, twenty million, four hundred seventy-three thousand, eight hundred fifty-six".