28256213014 has 8 divisors (see below), whose sum is σ = 44615073240. Its totient is φ = 13384521936.

The previous prime is 28256212997. The next prime is 28256213039. The reversal of 28256213014 is 41031265282.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371792239 + ... + 371792314.

It is an arithmetic number, because the mean of its divisors is an integer number (5576884155).

Almost surely, 2^28256213014 is an apocalyptic number.

28256213014 is a deficient number, since it is larger than the sum of its proper divisors (16358860226).

28256213014 is a wasteful number, since it uses less digits than its factorization.

28256213014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743584574.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 28256213014 its reverse (41031265282), we get a palindrome (69287478296).

The spelling of 28256213014 in words is "twenty-eight billion, two hundred fifty-six million, two hundred thirteen thousand, fourteen".