28080223404 has 48 divisors (see below), whose sum is σ = 66580808448. Its totient is φ = 9208951488.

The previous prime is 28080223403. The next prime is 28080223439. The reversal of 28080223404 is 40432208082.

It is not an unprimeable number, because it can be changed into a prime (28080223403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 640474 + ... + 682910.

It is an arithmetic number, because the mean of its divisors is an integer number (1387100176).

Almost surely, 2^28080223404 is an apocalyptic number.

It is an amenable number.

28080223404 is an abundant number, since it is smaller than the sum of its proper divisors (38500585044).

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

28080223404 is a wasteful number, since it uses less digits than its factorization.

28080223404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43334 (or 43332 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 28080223404 in words is "twenty-eight billion, eighty million, two hundred twenty-three thousand, four hundred four".