5257840012218 has 48 divisors (see below), whose sum is σ = 11985241171176. Its totient is φ = 1663654049280.

The previous prime is 5257840012213. The next prime is 5257840012267. The reversal of 5257840012218 is 8122100487525.

5257840012218 is a `hidden beast` number, since 5 + 2 + 578 + 40 + 0 + 1 + 22 + 18 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5110796139849 + 147043872369 = 2260707^2 + 383463^2 .

It is not an unprimeable number, because it can be changed into a prime (5257840012211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96248971 + ... + 96303582.

Almost surely, 2^{5257840012218} is an apocalyptic number.

5257840012218 is an abundant number, since it is smaller than the sum of its proper divisors (6727401158958).

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

5257840012218 is a wasteful number, since it uses less digits than its factorization.

5257840012218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192552639 (or 192552636 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 5257840012218 in words is "five trillion, two hundred fifty-seven billion, eight hundred forty million, twelve thousand, two hundred eighteen".