2219640919320 has 256 divisors, whose sum is σ = 7657307136000. Its totient is φ = 509060851200.

The previous prime is 2219640919297. The next prime is 2219640919361. The reversal of 2219640919320 is 239190469122.

It is a self number, because there is not a number n which added to its sum of digits gives 2219640919320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17970975 + ... + 18094065.

It is an arithmetic number, because the mean of its divisors is an integer number (29911356000).

Almost surely, 2^{2219640919320} is an apocalyptic number.

2219640919320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219640919320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3828653568000).

2219640919320 is an abundant number, since it is smaller than the sum of its proper divisors (5437666216680).

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

2219640919320 is a wasteful number, since it uses less digits than its factorization.

2219640919320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123854 (or 123850 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 2219640919320 in words is "two trillion, two hundred nineteen billion, six hundred forty million, nine hundred nineteen thousand, three hundred twenty".