5518410205420 has 48 divisors (see below), whose sum is σ = 13380722510400. Its totient is φ = 1872520925184.

The previous prime is 5518410205397. The next prime is 5518410205499. The reversal of 5518410205420 is 245020148155.

It is a self number, because there is not a number n which added to its sum of digits gives 5518410205420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203167945 + ... + 203195104.

It is an arithmetic number, because the mean of its divisors is an integer number (278765052300).

Almost surely, 2^{5518410205420} is an apocalyptic number.

It is an amenable number.

5518410205420 is an abundant number, since it is smaller than the sum of its proper divisors (7862312304980).

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

5518410205420 is a wasteful number, since it uses less digits than its factorization.

5518410205420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406363162 (or 406363160 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 5518410205420 in words is "five trillion, five hundred eighteen billion, four hundred ten million, two hundred five thousand, four hundred twenty".