28826266840842 has 8 divisors (see below), whose sum is σ = 57652533681696. Its totient is φ = 9608755613612.

The previous prime is 28826266840817. The next prime is 28826266840843. The reversal of 28826266840842 is 24804866262882.

It is a sphenic number, since it is the product of 3 distinct primes.

28826266840842 is an admirable number.

It is a super-4 number, since 4×28826266840842⁴ (a number of 55 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (28826266840843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2402188903398 + ... + 2402188903409.

It is an arithmetic number, because the mean of its divisors is an integer number (7206566710212).

Almost surely, 2^{28826266840842} is an apocalyptic number.

28826266840842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28826266840842 is a wasteful number, since it uses less digits than its factorization.

28826266840842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804377806812.

The product of its (nonzero) digits is 226492416, while the sum is 66.

The spelling of 28826266840842 in words is "twenty-eight trillion, eight hundred twenty-six billion, two hundred sixty-six million, eight hundred forty thousand, eight hundred forty-two".