28026440500288 has 14 divisors (see below), whose sum is σ = 55614967867886. Its totient is φ = 14013220250112.

The previous prime is 28026440500259. The next prime is 28026440500297. The reversal of 28026440500288 is 88200504462082.

It can be written as a sum of positive squares in only one way, i.e., 21322525287424 + 6703915212864 = 4617632^2 + 2589192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218956566345 + ... + 218956566472.

It is an arithmetic number, because the mean of its divisors is an integer number (3972497704849).

Almost surely, 2^{28026440500288} is an apocalyptic number.

It is an amenable number.

28026440500288 is a deficient number, since it is larger than the sum of its proper divisors (27588527367598).

28026440500288 is an equidigital number, since it uses as much as digits as its factorization.

28026440500288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437913132829 (or 437913132819 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 49.

The spelling of 28026440500288 in words is "twenty-eight trillion, twenty-six billion, four hundred forty million, five hundred thousand, two hundred eighty-eight".