28403022326 has 32 divisors (see below), whose sum is σ = 49014346752. Its totient is φ = 12091957920.

The previous prime is 28403022317. The next prime is 28403022341. The reversal of 28403022326 is 62322030482.

It is a junction number, because it is equal to n+sod(n) for n = 28403022292 and 28403022301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4876496 + ... + 4882316.

It is an arithmetic number, because the mean of its divisors is an integer number (1531698336).

Almost surely, 2^28403022326 is an apocalyptic number.

28403022326 is a deficient number, since it is larger than the sum of its proper divisors (20611324426).

28403022326 is a wasteful number, since it uses less digits than its factorization.

28403022326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 28403022326 in words is "twenty-eight billion, four hundred three million, twenty-two thousand, three hundred twenty-six".