219391330240 has 28 divisors (see below), whose sum is σ = 522425605896. Its totient is φ = 87756531968.

The previous prime is 219391330231. The next prime is 219391330253. The reversal of 219391330240 is 42033193912.

It is a self number, because there is not a number n which added to its sum of digits gives 219391330240.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 342798634 + ... + 342799273.

Almost surely, 2^219391330240 is an apocalyptic number.

219391330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219391330240 is an abundant number, since it is smaller than the sum of its proper divisors (303034275656).

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

219391330240 is an equidigital number, since it uses as much as digits as its factorization.

219391330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685597924 (or 685597914 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 219391330240 in words is "two hundred nineteen billion, three hundred ninety-one million, three hundred thirty thousand, two hundred forty".