2219789420044 has 24 divisors (see below), whose sum is σ = 4582791062528. Its totient is φ = 920649989520.

The previous prime is 2219789419963. The next prime is 2219789420081. The reversal of 2219789420044 is 4400249879122.

It is a junction number, because it is equal to n+sod(n) for n = 2219789419973 and 2219789420000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278679674 + ... + 1278681409.

Almost surely, 2^{2219789420044} is an apocalyptic number.

It is an amenable number.

2219789420044 is an abundant number, since it is smaller than the sum of its proper divisors (2363001642484).

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

2219789420044 is a wasteful number, since it uses less digits than its factorization.

2219789420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557361125 (or 2557361123 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2219789420044 in words is "two trillion, two hundred nineteen billion, seven hundred eighty-nine million, four hundred twenty thousand, forty-four".