19103419404 has 120 divisors (see below), whose sum is σ = 51108169728. Its totient is φ = 6219439200.

The previous prime is 19103419343. The next prime is 19103419427. The reversal of 19103419404 is 40491430191.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9790629 + ... + 9792579.

Almost surely, 2^19103419404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19103419404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25554084864).

19103419404 is an abundant number, since it is smaller than the sum of its proper divisors (32004750324).

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

19103419404 is a wasteful number, since it uses less digits than its factorization.

19103419404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 19103419404 its reverse (40491430191), we get a palindrome (59594849595).

The spelling of 19103419404 in words is "nineteen billion, one hundred three million, four hundred nineteen thousand, four hundred four".