28428824260266 has 16 divisors (see below), whose sum is σ = 56858731267584. Its totient is φ = 9476094295584.

The previous prime is 28428824260241. The next prime is 28428824260271. The reversal of 28428824260266 is 66206242882482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44772931 + ... + 45403446.

It is an arithmetic number, because the mean of its divisors is an integer number (3553670704224).

Almost surely, 2^{28428824260266} is an apocalyptic number.

28428824260266 is an abundant number, since it is smaller than the sum of its proper divisors (28429907007318).

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

28428824260266 is a wasteful number, since it uses less digits than its factorization.

28428824260266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90228925.

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 28428824260266 in words is "twenty-eight trillion, four hundred twenty-eight billion, eight hundred twenty-four million, two hundred sixty thousand, two hundred sixty-six".