2218089433520 has 40 divisors (see below), whose sum is σ = 5208117931440. Its totient is φ = 878451257600.

The previous prime is 2218089433517. The next prime is 2218089433601. The reversal of 2218089433520 is 253349808122.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137249930 + ... + 137266089.

It is an arithmetic number, because the mean of its divisors is an integer number (130202948286).

Almost surely, 2^{2218089433520} is an apocalyptic number.

2218089433520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218089433520 is an abundant number, since it is smaller than the sum of its proper divisors (2990028497920).

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

2218089433520 is a wasteful number, since it uses less digits than its factorization.

2218089433520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274516133 (or 274516127 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 2218089433520 in words is "two trillion, two hundred eighteen billion, eighty-nine million, four hundred thirty-three thousand, five hundred twenty".