28404019196 has 48 divisors (see below), whose sum is σ = 58234814400. Its totient is φ = 11867834880.

The previous prime is 28404019183. The next prime is 28404019249. The reversal of 28404019196 is 69191040482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770266 + ... + 1786238.

It is an arithmetic number, because the mean of its divisors is an integer number (1213225300).

Almost surely, 2^28404019196 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 28404019196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29117407200).

28404019196 is an abundant number, since it is smaller than the sum of its proper divisors (29830795204).

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

28404019196 is a wasteful number, since it uses less digits than its factorization.

28404019196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574 (or 17572 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 28404019196 in words is "twenty-eight billion, four hundred four million, nineteen thousand, one hundred ninety-six".